Telescoping suitcase and novel carry bar thereof, and suitcase body

Abstract

To provide a telescoping suitcase and a carry bar thereof, and a suitcase body.SOLUTION: The carrier bar includes a housing fixing tube, a housing moving tube, and a telescopic rod. The suitcase body includes an upper housing and a lower housing. The lower end of the upper housing is sleeved outside the lower housing, and the capacity of the suitcase can be adjusted by changing the relative position of the upper housing and the lower housing. An upper end of the housing moving tube is fixed and connected to the upper housing 7, and a lower end of the housing moving tube is provided with a first locking member. The housing fixing pipe is fixed and connected to the lower housing, the lower end of the housing moving pipe is sleeved inside the housing fixing pipe, and the housing moving pipe is locked to the housing fixing pipe by a first locking member. The bottom of the lower housing is provided with casters for moving the suitcase. The telescopic rod is installed at the upper end of the housing moving tube, and the suitcase is pushed or pulled through the telescopic rod. The capacity of the suitcase can be adjusted quickly.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to the technical field of suitcases, in particular to extendable suitcases, etc. It also relates to the new carry bar and the suitcase itself. [Background technology]

[0002] A suitcase is also called a trunk or carry case, and is used to carry items when going out. A suitcase is a type of luggage used for carrying things that are needed during a trip. It is used to store clothing, personal care items, and mementos. The size of the baggage is usually determined by the airline's size regulations for carry-on and checked baggage. The size of the space inside the case is determined based on the actual needs. The storage space inside the housing cannot be changed, making it inflexible and difficult to use. Summary of the Invention [Problem to be solved by the invention]

[0003] The present invention relates to an extendable suitcase, and a new type of carry bar and suitcase. The purpose is to The expandable suitcase can be expanded by changing the relative position of the upper and lower housings. You can adjust the capacity of the suitcase according to your needs. The upper cover and the lower cover The bars close over the upper and lower containers, respectively, for quick removal of items. The suitcase can be pushed or pulled through the carrying bar, making it flexible. Excellent and easy to use. [Means for solving the problem]

[0004] In order to achieve the above object, the present invention employs the following technical means. A new type of carry bar is provided with an extendable rod, and a housing fixing tube and a housing fixing tube are attached to the lower end of the extendable rod. The housing moving pipe and the housing fixing pipe are each provided vertically. The housing moving tube is connected to the upper and lower ends of the housing which is extendable in the direction of the axis of the movable member. A first locking member is provided at the end of the housing fixing tube, and a lower end of the housing fixing tube is provided in the housing fixing tube. The housing moving tube is connected to the housing fixing tube, and the housing moving tube is locked to the housing fixing tube by the first locking member. The telescopic rod is installed at the upper end of the housing moving tube, and the telescopic rod is The housing is pushed or pulled through the housing.

[0005] Preferably, the first locking member includes a first seat, a plurality of first lock pins, and a first spring. The first base includes a ring and a first stop member. The first base is fixed to the lower end of the housing moving tube. The housing fixing tube is provided with a plurality of first locking holes at predetermined intervals from top to bottom. The first lock pin and the first spring are arranged to lock the first base. One end of the first lock pin is connected to the first spring. The other end of the first lock pin is fitted into the first locking hole. The first lock pin is attached to the first base, and the first lock pin is driven by the first pressing member. The actuator is retracted into the first seat.

[0006] Preferably, the telescopic rod includes a push-pull fixed tube and a push-pull moving tube. The push-pull fixed tube is sleeve-connected within the housing moving tube, and the lower end is The push-pull moving tube is fixed to one side of the upper end of the first base. The second locking member is provided at the end of the push-pull fixing tube, and the lower end of the push-pull fixing tube is inserted into the push-pull fixing tube. The push-pull moving tube is connected to the push-pull fixed tube by a second locking member. It is locked to the fixed tube.

[0007] Preferably, the second locking member includes a second seat, a second lock pin, a second spring, and and a second restraining member. The second base is fixed and installed at the lower end of the housing moving tube. The push-pull fixing tube has a plurality of second locking holes at predetermined intervals from top to bottom. The second lock pin and the second spring are arranged to lock the second base. One end of the second lock pin is connected to the second spring. The other end of the second lock pin is fitted into the second locking hole. The second lock pin is installed on the second base, and the second lock pin is driven by the second pressing member. It is recessed into the second seat.

[0008] Preferably, the number of the first lock pins is two. The first spring is provided on both sides of the first base so as to face each other. , respectively fixed and connected to the inner ends of the two first lock pins. The lock pin has an upper end provided with a first oblique groove. The base is slidably mounted on the base, and a first oblique protrusion is provided at the lower end. A first connecting rod is fixed to the end of the push-pull fixing tube. The first connecting rod is located on the side of the housing, and the upper end of the first connecting rod extends from the housing moving tube. When the first oblique protrusion is pushed in the direction, the first oblique groove moves inward. 4, so that the first locking pin is retracted into the first seat.

[0009] Preferably, the second spring has one end fixed to the inner end of the second lock pin. The second lock pin has one end connected to the second base and the other end fixed to the second base. The second restraining member is provided with a second oblique groove at the upper end of the second base. a second oblique protrusion at the lower end and a second oblique protrusion at the upper end; The second connecting rod is fixed to the push-pull moving tube. When the second connecting rod is pushed downward, the second oblique protrusion moves. The second oblique groove is driven to move inward, and the second lock pin is driven to move inward. Allow it to be drawn into the pedestal.

[0010] Preferably, the housing fixing tube, the housing moving tube, and the telescopic rod are all left and right Two of the housing movement tubes are installed facing each other. Between the upper ends of the two housing movement tubes, a mounting base is provided. The base is fixed to the push-pull moving tube. A handle is attached between the upper ends of the two push-pull moving tubes. A first driving member is installed on the mounting base, and the first driving portion The two first connecting rods, which are arranged to face each other through the material, are pushed downward. A second driving member is provided on the handle, and the second driving member is used to move the handle and the second driving member. The two second connecting rods arranged opposite to each other are pushed downward.

[0011] Preferably, the first driving member includes a first driving button and a side of the first driving button. The first driving rod has two ends on both sides. The first driving button is a slope, and is slidably installed on the mounting base. When pressed, the two first driving rods are moved outward and downward relative to the first connecting rod. The first driving rod is pushed in the direction of the arrow. A first driving spring is installed inside the first driving rod. The spring has two ends connected to the first driving rod and the mounting base, respectively. This causes the first drive rod to move inward and return to its original position.

[0012] Preferably, the second drive member includes a second drive button and a side of the second drive button. The second driving rod has two ends on both sides. The second driving button is a slope, and is slidably mounted on the handle. When the second driving button is pressed downward, Then, the two second driving rods are moved outward and downward relative to the second connecting rod. The second driving spring is installed inside the second driving rod. The ring has two ends connected to the second driving rod and the handle, respectively. The second drive rod is moved inward and repositioned.

[0013] The suitcase body includes an upper body and a lower body. The upper body has a lower end. a sleeve connected to the outside of the lower housing, and By changing the position, the capacity of the suitcase can be adjusted. and an upper cover, the upper cover being disposed so as to be in contact with the upper container. An upper locking member is installed between the covers, and the upper locking member locks the upper container. and the upper cover are removably connected. The lower container and the lower cover are disposed in such a manner that A lower locking member is provided between the lower housing and the front housing. The lower cover is removably connected.

[0014] Preferably, the upper housing has an upper stopper fixed to a lower end thereof. The stopper extends to the inside of the upper end of the upper housing. The lower stopper is fixed to the lower end of the lower housing. The upper stopper extends from the bottom to the top, and the lower stopper and the lower housing extend from the bottom to the top. The lower stopper is fitted into the gap between the upper stopper and the lower stopper. The upper stopper and the lower housing are fitted into a gap between the upper stopper and the lower housing. Side stops limit the maximum extension length of the upper and lower housings.

[0015] Preferably, a slide rail is provided on the outer wall of the lower housing along the extension and retraction direction of the suitcase. A slide block is fixed to the inner wall of the upper housing. The slide block is slidably mounted on the slide rail.

[0016] Preferably, the upper locking member and the lower locking member are both linear fasteners. It is.

[0017] Preferably, the upper housing has a lock fixed to an outer wall of a lower end portion. The fastener sliders of the upper locking member and the lower locking member are locked by a lock. There are.

[0018] Preferably, the bottom of the lower housing is provided with casters for moving the suitcase. has been installed.

[0019] This is an expandable suitcase, equipped with a new carry bar and a suitcase body. The new carry bar includes a housing fixing tube, a housing moving tube, and an extendable rod. The main body includes an upper housing and a lower housing. The upper housing has a lower end that is in contact with the lower housing. The upper and lower housings are connected to a sleeve outside the body, and the relative positions of the upper and lower housings can be changed. The capacity of the suitcase can be adjusted by adjusting the upper end of the housing moving tube. The housing is fixed and connected to the body, and a first locking member is provided at a lower end of the housing. The fixed tube is fixed and connected to the lower housing, and the lower end of the housing moving tube is disposed inside the fixed tube. The housing moving tube is connected to the housing fixing tube by the first locking member. The bottom of the lower housing is fitted with a carrying case for transporting the suitcase. The telescopic rod is installed at the upper end of the housing moving tube. The suitcase is pushed or pulled via the telescopic rod.

[0020] Preferably, the upper housing includes an upper container and an upper housing member that are arranged to face each other. a side cover, and an upper locking member is disposed between the upper container and the upper cover; The upper locking member removably connects the upper container and the upper cover. The lower housing includes a lower container and a lower cover that are disposed to face each other. a lower locking member is disposed between the lower housing and the lower cover; The lower locking member removably connects the lower container and the lower cover. There are.

[0021] Preferably, the upper housing has an upper stopper fixed to a lower end thereof. The stopper extends to the inside of the upper end of the upper housing. The lower stopper is fixed to the lower end of the lower housing. The upper stopper extends from the bottom to the top, and the lower stopper and the lower housing extend from the bottom to the top. The lower stopper is fitted into the gap between the upper stopper and the lower stopper. The upper stopper and the lower housing are fitted into a gap between the upper stopper and the lower housing. Side stops limit the maximum extension length of the upper and lower housings.

[0022] Preferably, the first locking member includes a first seat, a plurality of first lock pins, and a first spring. The first base includes a ring and a first stop member. The first base is fixed to the lower end of the housing moving tube. The housing fixing tube is provided with a plurality of first locking holes at predetermined intervals from top to bottom. The first lock pin and the first spring are arranged to lock the first base. One end of the first lock pin is connected to the first spring. The other end of the first lock pin is fitted into the first locking hole. The first lock pin is attached to the first base, and the first lock pin is driven by the first pressing member. The actuator is retracted into the first seat.

[0023] Preferably, the telescopic rod includes a push-pull fixed tube and a push-pull moving tube. The push-pull fixed tube is sleeve-connected within the housing moving tube, and the lower end is The push-pull moving tube is fixed to one side of the upper end of the first base. The second locking member is provided at the end of the push-pull fixing tube, and the lower end of the push-pull fixing tube is inserted into the push-pull fixing tube. The push-pull moving tube is connected to the push-pull fixed tube by a second locking member. It is locked to the fixed tube.

[0024] Preferably, the second locking member includes a second seat, a second lock pin, a second spring, and and a second restraining member. The second base is fixed and installed at the lower end of the housing moving tube. The push-pull fixing tube has a plurality of second locking holes at predetermined intervals from top to bottom. The second lock pin and the second spring are arranged to lock the second base. One end of the second lock pin is connected to the second spring. The other end of the second lock pin is fitted into the second locking hole. The second lock pin is installed on the second base, and the second lock pin is driven by the second pressing member. It is recessed into the second seat.

[0025] Preferably, the number of the first lock pins is two. The first spring is provided on both sides of the first base so as to face each other. , respectively fixed and connected to the inner ends of the two first lock pins. The lock pin has an upper end provided with a first oblique groove. The base is slidably mounted on the base, and a first oblique protrusion is provided at the lower end. A first connecting rod is fixed to the end of the push-pull fixing tube. The first connecting rod is located on the side of the housing, and the upper end of the first connecting rod extends from the housing moving tube. When the first oblique protrusion is pushed in the direction, the first oblique groove moves inward. 4, so that the first locking pin is retracted into the first seat.

[0026] Preferably, the second spring has one end fixed to the inner end of the second lock pin. The second lock pin has one end connected to the second base and the other end fixed to the second base. The second restraining member is provided with a second oblique groove at the upper end of the second base. a second oblique protrusion at the lower end and a second oblique protrusion at the upper end; The second connecting rod is fixed to the push-pull moving tube. When the second connecting rod is pushed downward, the second oblique protrusion moves. The second oblique groove is driven to move inward, and the second lock pin is driven to move inward. Allow it to be drawn into the pedestal.

[0027] Preferably, the housing fixing tube, the housing moving tube, and the telescopic rod are all left and right Two of the housing movement tubes are installed facing each other. Between the upper ends of the two housing movement tubes, a mounting base is provided. The base is fixed to the push-pull moving tube. A handle is attached between the upper ends of the two push-pull moving tubes. A first driving member is installed on the mounting base, and the first driving portion The two first connecting rods, which are arranged to face each other through the material, are pushed downward. A second driving member is provided on the handle, and the second driving member is used to move the handle and the second driving member. The two second connecting rods arranged opposite to each other are pushed downward.

[0028] Preferably, the first driving member includes a first driving button and a side of the first driving button. The first driving rod has two ends on both sides. The first driving button is a slope, and is slidably installed on the mounting base. When pressed, the two first driving rods are moved outward and downward relative to the first connecting rod. The first driving rod is pushed in the direction of the arrow. A first driving spring is installed inside the first driving rod. The spring has two ends connected to the first driving rod and the mounting base, respectively. The second driving member is a second driving button. and two second driving rods respectively installed on the sides of the second driving button. The second driving rod has both ends with inclined surfaces and is slidably mounted on the handle. When the second driving button is pressed downward, the two second driving rods are moved outward. The second drive spring is inserted into the second drive rod and pushes the second drive rod downward. The second driving spring has two ends respectively connected to the second driving rod and the A second drive rod is connected to the handle and moves inwardly to return to its original position.

[0029] Preferably, a slide rail is provided on the outer wall of the lower housing along the extension and retraction direction of the suitcase. A slide block is fixed to the inner wall of the upper housing. The slide block is slidably mounted on the slide rail.

[0030] Preferably, the upper locking member and the lower locking member are both linear fasteners. It is.

[0031] Preferably, the upper housing has a lock fixed to an outer wall of a lower end thereof, and the upper lock The fastener slider of the locking member and the lower locking member is locked with a padlock.

[0032] By adopting the above technical means, the present invention has the following beneficial effects. 1. The expandable suitcase of the present invention, and its new type carry bar and suitcase The case body can be adjusted in height by expanding and contracting the suitcase according to the actual situation. The relative lengths of the housing moving tube and the housing fixing tube can be adjusted via the first locking member. The capacity of the suitcase can be quickly adjusted, and the case is pushed through the telescopic rod Or it can be pulled, has excellent flexibility and is easy to use.

[0033] 2. The expandable suitcase of the present invention, and its new type of carry bar and suitcase The case body is designed so that the upper stopper faces upwards and fills the gap between the lower stopper and the lower housing. The lower stopper is fitted between the upper stopper and the upper housing, facing downwards. The upper and lower stoppers are inserted into the gap between the upper and lower housings. This limits the maximum extension length of the upper and lower housings, preventing the upper and lower housings from sliding off each other. This prevents:

[0034] 3. The expandable suitcase of the present invention, and its new type of carry bar and suitcase The case body, the upper locking member and the lower locking member are both linear fasteners, The zipper sliders of the upper and lower locking members are locked with the lock, and the operation It is simple and easy to use.

[0035] 4. The expandable suitcase of the present invention, and its new type carry bar and suitcase When the first driving button is pressed, the two first driving rods are moved to the outside of the case body. The first connecting rod is moved to the first connecting rod and pushed downward against the first connecting rod. The oblique protrusion is moved, and the first oblique groove is driven to move inward, and the first lock pin is driven to lock the first The suit is retracted into the base, and the moving tube can move along the fixed tube. The height of the case can be adjusted. After the height adjustment is completed, the first drive button is released and the first The lock pin is fitted into the first locking hole by the action of the restoring force of the first spring, and the housing moving tube At the same time, the first drive spring moves the first drive rod inward. To restore him to his throne.

[0036] 5. The expandable suitcase of the present invention, and its new type carry bar and suitcase When the second driving button is pressed, the two second driving rods are moved to the outside of the case body. The second connecting rod is moved to the second connecting rod and pushed downward. The oblique protrusion is moved, the second oblique groove is driven to move inward, and the second lock pin is driven to move inward. The push-pull moving tube is retracted into the base and can move along the push-pull fixed tube. After the height adjustment is complete, the second drive button is released. Then, the second lock pin is fitted into the second locking hole by the action of the restoring force of the second spring. The push-pull moving tube and the push-pull fixed tube are locked. At the same time, the second driving spring The second drive rod moves inward and returns to its original position. [Brief description of the drawings]

[0037] [Figure 1]1 is a schematic diagram showing the three-dimensional structure of the present invention. [Diagram 2] 1 is a schematic diagram showing the internal structure of the present invention. [Diagram 3] 2 is a schematic diagram showing a vertical cross-sectional structure of an upper housing and a lower housing of the present invention. [Figure 4] FIG. 4 is a local enlarged view of part A in FIG. 3. [Diagram 5] 1 is a schematic diagram showing a cross-sectional structure of the present invention. [Figure 6] FIG. 6 is an enlarged view of a portion B in FIG. 5. [Figure 7] 1 is a schematic diagram showing the three-dimensional structure of the front side of a housing fixing tube, a housing moving tube, and a telescopic shaft of the present invention. [Figure 8] 1 is a schematic diagram showing the three-dimensional structure of the rear side of a housing fixing tube, a housing moving tube, and a telescopic shaft of the present invention. [Figure 9] 1 is a schematic diagram showing the structure of the housing fixing tube, the housing moving tube, and the telescopic shaft of the present invention when the mounting base and the handle are not attached. [Figure 10] 4 is a schematic diagram showing a connection structure between a first driving member and a second driving member. [Figure 11] 1 is a schematic diagram showing a longitudinal cross-sectional structure along a first pressing member in the housing fixing tube, the housing moving tube, and the telescopic shaft of the present invention. [Figure 12] FIG. 12 is a local enlarged view of part C in FIG. [Figure 13] 1 is a schematic diagram showing a longitudinal cross-sectional structure along a second pressing member in the housing fixing tube, the housing moving tube, and the telescopic shaft of the present invention. [Figure 14] FIG. 13 is a local enlarged view of part D in FIG. [Figure 15] 2 is a schematic diagram showing the structure of a first driving member and a second driving member of the present invention; [Figure 16] 4 is a schematic diagram showing a structure of the first fastening member of the present invention when the first base is not attached. [Figure 17] 4 is a schematic diagram showing a structure of the second fastening member of the present invention when the second base is not attached. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0038] In order to clarify the object, technical means and advantages of the present invention, the following drawings and embodiments are provided. The present invention will now be described in more detail with reference to the following examples. , are merely illustrative of the invention and are not intended to be limiting of the invention.

[0039] Example 1 As shown in Figs. 7 to 17, the new carry bar is equipped with an extendable bar 3. The housing fixing tube 1 and the housing moving tube 2 are installed at the lower end of the housing moving tube 2. The housing fixing pipes 1 are connected to the upper and lower ends of the housing, which is extendable in the vertical direction. The housing moving tube 2 has a first locking member 4 at its lower end. The lower end of the housing fixing tube 1 is sleeve-connected to the inside of the housing fixing tube 1. The housing moving tube 2 is locked to the housing fixing tube 1. The telescopic rod 3 is located on the upper side of the housing moving tube 2. It is installed at the end, and the housing is pushed or pulled via the extension rod 3.

[0040] The first locking member 4 includes a first base 40, a plurality of first lock pins 41, and a first spring. The first base 40 includes a lower end of the housing moving tube 2, a lower ring 42, and a first stop member 43. The housing fixing tube 1 is provided with a plurality of first locking holes 10 from top to bottom. The first lock pin 41 and the first spring 42 are disposed at regular intervals. A first lock pin 41 is installed in the first base 40, and one end of the first lock pin 41 is in contact with a first spring 42. The other end of the first lock pin 41 is fitted into the first locking hole 10. The pressing member 43 is installed on the first base 40, and the first locking member 43 is driven to lock the first locking member 40. The locking pin 41 is retracted into the first seat 40 .

[0041] The telescopic rod 3 includes a push-pull fixed tube 30 and a push-pull moving tube 31. The pull fixing tube 30 is sleeve-connected in the housing moving tube 2, and the lower end is connected to the first base 4. The push-pull moving tube 31 is fixed to one side of the upper end of the The lower end of the push-pull moving tube 31 is provided with a second locking member 32. The push-pull movable tube is connected to the fixed tube 30 by a sleeve and is connected to the fixed tube 30 by a second locking member 32. 31 is locked to the push-pull fixed tube 30.

[0042] The second locking member 32 includes a second seat 320, a second lock pin 321, and a second spring 3 22, and a second restraining member 323. The second base 320 is a lower end of the housing moving tube 2. The push-pull fixing tube 30 is fixed and installed on the The holes 300 are arranged at a predetermined interval. The ring 322 is installed in the second pedestal 320, and one end of the second lock pin 321 is connected to the first The other end of the second lock pin 321 is connected to the second spring 322 and is inserted into the second lock hole 300. The second restraining member 323 is installed in the second base 320. The second lock pin 321 is retracted into the second base 320 by the driving of the pressing member 323. can be.

[0043] The number of the first lock pins 41 is two. The two first lock pins 41 are The ends of the first spring 42 are arranged on both sides so as to face each other. The first lock pin 41 is fixed to and connected to the inner end of the first lock pin 41. The first retaining member 43 is provided at the upper end with a first oblique groove 410. The first oblique protrusion 430 is provided at the lower end of the slidable member 410. The first oblique protrusion 430 is provided at the upper end of the slidable member 410. The first connecting rod 44 is fixed to the end of the push-pull fixing pipe 30. The first connecting rod 44 is located outside the housing moving tube 2 and the upper end portion extends from the housing moving tube 2. By being pressed downward, the first oblique protrusion 430 is moved, and the first oblique groove 410 is shifted inward. 4, so that the first lock pin 41 is retracted into the first base 40.

[0044] The second spring 322 has one end fixed and connected to the inner end of the second lock pin 321. The other end of the second lock pin 321 is fixed and connected to the second base 320. The second restraining member 323 is provided with a second oblique groove 3210 at the end of the second base 32. The second restraining member 323 is provided with a second oblique protrusion 323 at the lower end thereof. 0 is installed. A second connecting rod 324 is fixed to the upper end of the second restraining member 323. The second connecting rod 324 has an upper end extending from the inside of the push-pull moving tube 31. When the second connecting rod 324 is pushed downward, the second oblique protrusion 3230 is moved. The second oblique groove 3210 is driven to move inward, and the second lock pin 321 is moved to the second seat. Let yourself be drawn into 320.

[0045] The housing fixing tube 1, the housing moving tube 2, and the telescopic rod 3 are each provided in pairs, facing each other on the left and right. A mounting base 5 is fixed between the upper ends of the two housing moving tubes 2. A handle 6 is fixed between the upper ends of the two push-pull moving tubes 31. A first driving member 50 is installed on the mounting base 5, and the first driving member 50 is used to drive the The two first connecting rods 44, which are arranged so as to face each other, are pushed downward. The second driving member 60 is provided on the first driving member 61, and the second driving member 60 is disposed between the first driving member 61 and the second driving member 62 so as to face each other. The two second connecting rods 324 installed in the direction perpendicular to the axis of the arrow are pushed downward.

[0046] The first driving member 50 includes a first driving button 500 and a side of the first driving button 500. The first driving rod 501 includes two first driving rods 501 arranged on both sides. The first driving button 500 is disposed on the mounting base 5 so as to be slidable. When pushed in the direction, the two first driving rods 501 are moved outward and against the first connecting rod 44. The first driving spring 502 is installed inside the first driving rod 501. The first drive spring 502 has two ends that are connected to the first drive rod 501 and the mounting base 502, respectively. 5, and moves the first driving rod 501 inwards to return to its original position.

[0047] The second driving member 60 includes a second driving button 600 and a second driving button 600. The second driving rod 601 includes two second driving rods 601 arranged on both ends. The second drive button 600 is slidably mounted on the handle 6 and is inclined downward. When pressed, the two second driving rods 601 are moved outward and against the second connecting rod 324. The second driving spring 602 is installed inside the second driving rod 601. The second drive spring 602 has two ends that are connected to the second drive rod 601 and the handle 6 , which moves the second driving rod 601 inwards and returns it to its original position.

[0048] Example 2 As shown in FIG. 1 to FIG. 6, the suitcase body includes an upper housing 7 and a lower housing 8. The lower end of the upper housing 7 is sleeve-connected to the outside of the lower housing 8. The capacity of the suitcase can be adjusted by changing the relative positions of the upper and lower housings 7 and 8. The body 7 includes an upper container 70 and an upper cover 71 that are arranged to face each other. An upper locking member 72 is installed between the upper housing 70 and the upper cover 71. The upper container 70 and the upper cover 71 are removably connected by a lock member 72 . The lower housing 8 includes a lower container 80 and a lower cover 81 that are disposed opposite each other. A lower locking member 82 is disposed between the lower housing 80 and the lower cover 81. The lower housing 80 and the lower cover 81 are removably connected by the lower locking member 82. There are.

[0049] The upper housing 7 has an upper stopper 73 fixed to the lower end. The lower housing 8 has a lower stopper 8 at its upper end. The lower stopper 83 extends to the lower end of the outer side of the lower housing 8. The side stopper 73 is fitted into the gap between the lower stopper 83 and the lower housing 8 from bottom to top. The lower stopper 83 is fitted into the upper stopper 73 and the upper case 74 from top to bottom. The upper stopper 73 and the lower stopper 83 are inserted into the gap between the body 7. This limits the maximum extension length of the upper housing 7 and the lower housing 8 .

[0050] A slide rail 85 is fixed to the outer wall of the lower housing 8 along the extension and retraction direction of the suitcase. A slide block 74 is fixed to the inner wall of the upper housing 7. The lock 74 is slidably mounted on a slide rail 85 .

[0051] The upper locking member 72 and the lower locking member 82 are both linear fasteners.

[0052] The upper housing 7 has a lock 75 fixed to the outer wall of the lower end. The fastener slider of the side locking member 82 is locked by the lock 75 .

[0053] Casters 84 are provided on the bottom of the lower housing 8 for moving the suitcase. It is being done.

[0054] As shown in FIG. 1 to FIG. 17, a suitcase that can be extended and retracted is provided with a new carry bar 00. The new carry bar 001 is equipped with a housing fixing tube 1, a housing The suitcase body 002 includes an upper housing 7 and a lower housing 8. The upper housing 7 includes a housing 8. The lower end of the upper housing 7 is sleeve-connected to the outside of the lower housing 8. The capacity of the suitcase can be adjusted by changing the relative positions of the upper and lower housings 7 and 8. The housing moving tube 2 has an upper end fixed and connected to the upper housing 7 and a lower end The first locking member 4 is provided. The housing fixing tube 1 is fixed and connected to the lower housing 8. The lower end of the housing moving tube 2 is sleeve-connected to the inside of the housing moving tube 2, and the first locking member 4 is The housing moving tube 2 is locked to the housing fixing tube 1. A suitcase is attached to the bottom of the lower housing 8. The casters 84 are installed on the housing 2. The suitcase is pushed or pulled by the telescopic rod 3. can be.

[0055] The upper housing 7 includes an upper container 70 and an upper cover 7 which are disposed so as to face each other. 1, and an upper locking member 72 is installed between the upper container 70 and the upper cover 71. The upper storage body 70 and the upper cover 71 are removably connected by the upper lock member 72. The lower housing 8 is made up of a lower container 80 and a lower cover 81 which are arranged to face each other. The lower locking member 82 is disposed between the lower housing 80 and the lower cover 81. The lower locking member 82 removably connects the lower container 80 and the lower cover 81. This is being continued.

[0056] The upper housing 7 has an upper stopper 73 fixed to the lower end. The lower housing 8 has a lower stopper 8 at its upper end. The lower stopper 83 extends to the lower end of the outer side of the lower housing 8. The side stopper 73 is fitted into the gap between the lower stopper 83 and the lower housing 8 from bottom to top. The lower stopper 83 is fitted into the upper stopper 73 and the upper case 74 from top to bottom. The upper stopper 73 and the lower stopper 83 are inserted into the gap between the body 7. This limits the maximum extension length of the upper housing 7 and the lower housing 8 .

[0057] The first locking member 4 includes a first base 40, a plurality of first lock pins 41, and a first spring. The first base 40 includes a lower end of the housing moving tube 2 and a first stop member 43. The housing fixing tube 1 has a plurality of first locking holes 10 at predetermined intervals from top to bottom. The first lock pin 41 and the first spring 42 are disposed so as to have a gap therebetween. It is installed in the base 40, and one end of the first lock pin 41 is connected to the first spring 42. The other end of the first lock pin 41 is fitted into the first locking hole 10. The member 43 is installed on the first base 40, and the first locking member 43 is driven to The pin 41 is retracted into the first seat 40 .

[0058] The telescopic rod 3 includes a push-pull fixed tube 30 and a push-pull moving tube 31. The pull fixing tube 30 is sleeve-connected in the housing moving tube 2, and the lower end is connected to the first base 4. The push-pull moving tube 31 is fixed to one side of the upper end of the A second locking member 32 is provided, the lower end of which is sleeved within the push-pull fixed tube 30. The push-pull moving tube 31 is connected to the push-pull fixed tube 32 by the second locking member 32. Locked at 30.

[0059] The second locking member 32 includes a second seat 320, a second lock pin 321, and a second spring 322. The second base 320 includes a lower end of the housing moving tube 2 and a second stop member 323. The push-pull fixing tube 30 has a plurality of second locking holes 3 from top to bottom. 00 are installed at a predetermined interval. The second lock pin 322 is installed in the second base 320, and one end of the second lock pin 321 is connected to the second base 320. The other end of the second lock pin 321 is connected to the second lock hole 300. The second retaining member 323 is installed in the second base 320. Actuation of member 323 causes second lock pin 321 to retract into second seat 320 .

[0060] The number of the first lock pins 41 is two. The two first lock pins 41 are The ends of the first spring 42 are arranged on both sides so as to face each other. The first lock pin 41 is fixed to and connected to the inner end of the first lock pin 41. The first retaining member 43 is provided at the upper end with a first oblique groove 410. The first oblique protrusion 430 is provided at the lower end of the slidable member 410. The first oblique protrusion 430 is provided at the upper end of the slidable member 410. The first connecting rod 44 is fixed to the end of the push-pull fixing pipe 30. The first connecting rod 44 is located outside the housing moving tube 2 and the upper end portion extends from the housing moving tube 2. By being pressed downward, the first oblique protrusion 430 is moved, and the first oblique groove 410 is shifted inward. 4, so that the first lock pin 41 is retracted into the first base 40.

[0061] The second spring 322 has one end fixed and connected to the inner end of the second lock pin 321. The other end of the second lock pin 321 is fixed and connected to the second base 320. The second restraining member 323 is provided with a second oblique groove 3210 at the end of the second base 32. 0, and a second oblique protrusion 3230 is provided at the lower end thereof, The second connecting rod 324 is fixed to the upper end of the second connecting rod 324. The second connecting rod 324 extends from inside the push-pull moving pipe 31, and is pushed downward. As a result, the second oblique protrusion 3230 is moved, and the second oblique groove 3210 is driven to move inward. 4, so that the second lock pin 321 is retracted into the second seat 320.

[0062] The housing fixing tube 1, the housing moving tube 2, and the telescopic rod 3 are each provided in pairs, facing each other on the left and right. A mounting base 5 is fixed between the upper ends of the two housing moving tubes 2. A handle 6 is fixed between the upper ends of the two push-pull moving tubes 31. A first driving member 50 is installed on the mounting base 5, and the first driving member 50 is used to drive the The two first connecting rods 44, which are arranged so as to face each other, are pushed downward. The second driving member 60 is provided on the first driving member 61, and the second driving member 60 is disposed between the first driving member 61 and the second driving member 62 so as to face each other. The two second connecting rods 324 installed in the direction perpendicular to the axis of the arrow are pushed downward.

[0063] The first driving member 50 includes a first driving button 500 and a side of the first driving button 500. The first driving rod 501 includes two first driving rods 501 arranged on both ends. The first driving button 500 is disposed on the mounting base 5 so as to be slidable. When pushed in the direction, the two first driving rods 501 are moved outward and against the first connecting rod 44. The first driving spring 502 is installed inside the first driving rod 501. The first drive spring 502 has two ends that are connected to the first drive rod 501 and the mounting base 502, respectively. The second driving member is connected to the base 5 and moves the first driving rod 501 inward and returns to its original position. 60 is a second driving button 600 and a second driving button 600. The second drive rod 601 includes two second drive rods 601 that are inclined at both ends. , which is slidably installed on the handle 6, and when the second drive button 600 is pressed downward, The two second driving rods 601 are moved outward and push downward against the second connecting rod 324. A second driving spring 602 is installed inside the second driving rod 601. The ring 602 has two ends connected to the second driving rod 601 and the handle 6, respectively. This causes the second driving rod 601 to move inward and return to its original position.

[0064] A slide rail 85 is fixed to the outer wall of the lower housing 8 along the extension and retraction direction of the suitcase. A slide block 74 is fixed to the inner wall of the upper housing 7. The lock 74 is slidably mounted on a slide rail 85 .

[0065] The upper locking member 72 and the lower locking member 82 are both linear fasteners.

[0066] The upper housing 7 has a lock 75 fixed to the outer wall of the lower end. The fastener slider of the side locking member 82 is locked by the lock 75 .

[0067] Although only the preferred specific embodiments of the present invention have been described above, the scope of protection of the present invention is The present invention is not limited to the above, and any other modifications may be easily conceived by a person skilled in the art within the technical scope of the present invention. Any modifications or replacements made by the present invention shall fall within the scope of protection of the present invention. The scope of protection of the invention is defined by the claims. [Explanation of symbols]

[0068] 001...New carry bar 1. Housing fixing tube 10...First locking hole 2. Housing moving tube 3...Telescopic axis 30···Push-pull fixed tube 300...Second locking hole 31 Push-pull moving tube 32...Second locking member 320...Second pedestal 321 Second lock pin 3210...Second diagonal groove 322...Second spring 323...Second holding member 3230...Second oblique convex part 324...Second connecting rod 4. First locking member 40...first pedestal 41 First lock pin 410...First diagonal groove 42 First spring 43...First holding member 430...Second oblique convex part 44...First connecting rod 5 Mounting base 50... First driving member 500···First drive button 501...First driving rod 502 First drive spring 6. Handle 60... Second driving member 600···Second drive button 601...Second driving rod 602 Second drive spring 002: Suitcase body 7. Upper housing 70...Upper housing 71 Upper cover 72...Upper locking member 73 Upper stopper 74···Slide block 75 tablets 8. Lower housing 80...Lower container 81 Lower cover 82...Lower locking member 83 Lower stopper 84 Caster 85···Slide rail

Claims

1. A new carry bar, The telescopic rod (3) is provided with a housing fixing tube (1) and a housing transfer tube (1) at the lower end of the telescopic rod (3). A moving pipe (2) is installed. The housing moving tube (2) and the housing fixing tube (1) are each extendable in the vertical direction. It is connected to the upper and lower ends of a certain housing, The housing moving tube (2) has a first locking member (4) at its lower end, The end of the first locking member (4) is sleeve-connected to the inside of the housing fixing tube (1). The housing moving tube (2) is locked to the housing fixing tube (1) by The telescopic rod (3) is installed at the upper end of the housing moving tube (2), and the telescopic rod (3) is The housing is pushed or pulled via a rod (3), A new carry bar characterized by the following:

2. The new carry bar according to claim 1, The first locking member (4) includes a first base (40), a plurality of first lock pins (41), , a first spring (42), and a first restraining member (43), The first base (40) is fixed and installed at the lower end of the housing moving tube (2). the law of nature, The housing fixing tube (1) has a plurality of first locking holes (10) at predetermined intervals from top to bottom. It is set up so that The first lock pin (41) and the first spring (42) are 0), and one end of the first lock pin (41) is connected to the first spring (4 2), and the other end of the first lock pin (41) is inserted into the first locking hole (10). It is embedded in The first retaining member (43) is installed on the first base (40), and the first retaining The first lock pin (41) is pulled into the first seat (40) by the actuation of the member (43). Can be put, A new carry bar characterized by the following:

3. The new carry bar according to claim 2, The telescopic rod (3) is made up of a push-pull fixed tube (30) and a push-pull moving tube (31). Including, The push-pull fixed tube (30) is sleeve-connected in the housing moving tube (2). The lower end portion is fixed to one side of the upper end portion of the first base (40), The push-pull moving tube (31) is provided with a second locking member (32) at the lower end. The lower end of the push-pull fixed tube (30) is sleeve-connected therein, The push-pull moving tube (31) is connected to the push-pull fixed tube (32) by the second locking member (32). (30) is locked, A new carry bar characterized by the following:

4. The new carry bar according to claim 3, The second locking member (32) includes a second base (320), a second lock pin (321), and a second A spring (322), and a second stop member (323), The second seat (320) is fixed and installed at the lower end of the housing moving tube (2). And, The push-pull fixing tube (30) has a plurality of second locking holes (300) from top to bottom. They are installed at regular intervals, The second lock pin (321) and the second spring (322) are (320), and one end of the second lock pin (321) is connected to the second spring. The other end of the second lock pin (321) is connected to the second locking ring (322). It is fitted into the hole (300), The second restraining member (323) is installed on the second base (320), and the second The second lock pin (321) is moved to the second seat (320) by driving the restraining member (323). ) is withdrawn into A new carry bar characterized by the following:

5. The new carry bar according to claim 4, The number of the first lock pins (41) is two, The two first lock pins (41) are arranged on both sides of the first base (40) facing each other. The system is designed to The ends of the first spring (42) are respectively connected to the two first lock pins (41). fixed and connected to the inner end, A first oblique groove (410) is provided at the upper end of the first lock pin (41). 、 The first restraining member (43) is slidably installed on the first base (40), A first oblique protrusion (430) is provided at the side end, and a first connecting rod (44) is provided at the upper end. is fixed, The first connecting rod (44) is located outside the push-pull fixed tube (30) and is The end of the first connecting rod (44) extends from inside the housing moving tube (2), and the first connecting rod (44) extends downward. When the first oblique protrusion (430) is pushed by the first oblique groove (410), the first oblique protrusion (430) is moved. is driven to move inward, and the first lock pin (41) is engaged with the first seat (40). To make people feel drawn in. A new carry bar characterized by the following:

6. The new carry bar according to claim 5, The second spring (322) has one end connected to the inner end of the second lock pin (321). and the other end is fixed and connected to the second seat (320); The second lock pin (321) has a second oblique groove (3210) at its upper end. the law of nature, The second restraining member (323) is slidably installed on the second base (320). , a second oblique protrusion (3230) is provided at the lower end, and a second connecting rod ( 324) is fixed, The second connecting rod (324) has an upper end which is inserted into the push-pull moving tube (31). When the second connecting rod (324) is pushed downward, the second oblique protrusion The portion (3230) is moved, and the second oblique groove (3210) is driven to move inward. , causing the second lock pin (321) to retract into the second seat (320); A new carry bar characterized by the following:

7. The new carry bar according to claim 6, The housing fixed tube (1), the housing moving tube (2), and the telescopic rod (3) are all There are two of them, one on each side. A mounting base (5) is fixed between the upper ends of the two housing moving tubes (2). the law of nature, A handle (6) is fixed between the upper ends of the two push-pull transfer tubes (31). It is being A first driving member (50) is installed on the mounting base (5), and the first driving section The two first connecting rods (44) are arranged to face each other through a member (50). is pushed downwards, A second driving member (60) is installed on the handle (6), and the second driving member ( The two second connecting rods (324) are arranged opposite each other through the is pushed downwards, A new carry bar characterized by the following:

8. The new carry bar according to claim 7, The first driving member (50) includes a first driving button (500) and a The drive rod (501) includes two first drive rods (501) respectively installed on the sides of the drive shaft (500); The first driving rod (501) has both ends with inclined surfaces and slides on the mounting base (5). When the first driving button (500) is pressed downward, the two front The first driving rod (501) is moved outward and downward relative to the first connecting rod (44). Press A first driving spring (502) is installed inside the first driving rod (501); The first drive spring (502) has two ends each connected to the first drive rod (501). and connected to the mounting base (5) to move the first driving rod (501) inward. To restore the A new carry bar characterized by the following:

9. The new carry bar according to claim 7, The second driving member (60) includes a second driving button (600) and a second driving button (601). two second driving rods (601) respectively installed on the sides of the shaft (600); The second driving rod (601) has beveled ends on both sides and can slide on the handle (6). When the second driving button (600) is pressed downward, the two The second driving rod (601) is moved outward and downward relative to the second connecting rod (324). Press, A second driving spring (602) is installed inside the second driving rod (601); The second drive spring (602) has two ends each connected to the second drive rod (601). and connected to the handle (6) to move the second driving rod (601) inward. reinstate A new carry bar characterized by the following:

10. A suitcase body, The device comprises an upper housing (7) and a lower housing (8), The upper housing (7) has a lower end sleeve connected to the outside of the lower housing (8). By changing the relative positions of the upper and lower housings (7, 8), the suitcase can be The capacity of the The upper housing (7) is made up of an upper container (70) and The upper cover (71) is included, and an upper container (70) and an upper cover (71) are disposed between the upper container (70) and the upper cover (71). A side locking member (72) is provided, and the upper locking member (72) locks the upper storage The container (70) and the upper cover (71) are removably connected, The lower housing (8) includes a lower container (80) and A lower cover (81) is included, and a lower housing (80) is disposed between the lower housing (80) and the lower cover (81). A side locking member (82) is provided, and the lower locking member (82) locks the lower storage The container (80) and the lower cover (81) are removably connected. A suitcase body characterized by:

11. The suitcase body according to claim 10, The upper housing (7) has an upper stopper (73) fixed to its lower end. A side stopper (73) extends to the upper end inside the upper housing (7), The lower housing (8) has a lower stopper (83) fixed to an upper end thereof. A side stopper (83) extends to the lower end of the lower housing (8) on the outside thereof, The upper stopper (73) is connected to the lower stopper (83) and the It is fitted into the gap between the lower housing (8), The lower stopper (83) is connected to the upper stopper (73) and the It is fitted into the gap between the upper housing (7), The upper stopper (73) and the lower stopper (83) (7) and the maximum extension length of the lower housing (8) is limited; A suitcase body characterized by:

12. The suitcase body according to claim 10, The outer wall of the lower housing (8) is provided with a slide rail (8) along the extension and retraction direction of the suitcase. 5) is fixed, A slide block (74) is fixed to the inner wall of the upper housing (7), The slide block (74) is slidably installed on the slide rail (85). There are, A suitcase body characterized by:

13. The suitcase body according to claim 10, The upper locking member (72) and the lower locking member (82) are both fasteners. It is Nah, A suitcase body characterized by:

14. The suitcase body according to claim 13, The upper housing (7) has a lock (75) fixed to the outer wall of the lower end thereof. The fastener sliders of the upper locking member (72) and the lower locking member (82) Locked by the lock (75) A suitcase body characterized by:

15. The suitcase body according to claim 10, At the bottom of the lower housing (8), casters (8) are provided for moving the suitcase. 4) is installed A suitcase body characterized by:

16. An expandable suitcase, Equipped with a new carry bar (001) and suitcase body (002), The new carry bar (001) comprises a housing fixing tube (1), a housing moving tube (2), and an extension tube. A compressed rod (3), The suitcase body (002) includes an upper housing (7) and a lower housing (8), The upper housing (7) has a lower end sleeve connected to the outside of the lower housing (8). By changing the relative positions of the upper and lower housings (7, 8), the suitcase can be The capacity of the The housing moving tube (2) has an upper end fixed and connected to the upper housing (7). A first locking member (4) is provided at the lower end. The housing fixing tube (1) is fixed and connected to the lower housing (8), and the The lower end of the housing moving tube (2) is sleeve-connected, and the first locking member (4) The housing moving tube (2) is locked to the housing fixing tube (1), At the bottom of the lower housing (8), casters (8) are provided for moving the suitcase. 4) has been installed, The telescopic rod (3) is installed at the upper end of the housing moving tube (2), and the telescopic rod (3) is The suitcase is pushed or pulled via the rod (3), The suitcase is expandable.

17. 17. An extendable suitcase according to claim 16, The upper housing (7) is made up of an upper container (70) and The upper cover (71) is included, and an upper container (70) and an upper cover (71) are disposed between the upper container (70) and the upper cover (71). A side locking member (72) is provided, and the upper locking member (72) locks the upper storage The container (70) and the upper cover (71) are removably connected, The lower housing (8) includes a lower container (80) and A lower cover (81) is included, and a lower housing (80) is disposed between the lower housing (80) and the lower cover (81). A side locking member (82) is provided, and the lower locking member (82) locks the lower storage The container (80) and the lower cover (81) are removably connected. The suitcase is expandable.

18. 17. An extendable suitcase according to claim 16, The upper housing (7) has an upper stopper (73) fixed to its lower end. A side stopper (73) extends to the upper end inside the upper housing (7), The lower housing (8) has a lower stopper (83) fixed to an upper end thereof. A side stopper (83) extends to the lower end of the lower housing (8) on the outside thereof, The upper stopper (73) is connected to the lower stopper (83) and the It is fitted into the gap between the lower housing (8), The lower stopper (83) is connected to the upper stopper (73) and the It is fitted into the gap between the upper housing (7), The upper stopper (73) and the lower stopper (83) (7) and the maximum extension length of the lower housing (8) is limited; The suitcase is expandable.

19. 17. An extendable suitcase according to claim 16, The first locking member (4) includes a first base (40), a plurality of first lock pins (41), , a first spring (42), and a first restraining member (43), The first seat (40) is fixed and installed at the lower end of the housing moving tube (2); The housing fixing tube (1) has a plurality of first locking holes (10) at predetermined intervals from top to bottom. It is set up so that The first lock pin (41) and the first spring (42) are 0), and one end of the first lock pin (41) is connected to the first spring (4 2), and the other end of the first lock pin (41) is inserted into the first locking hole (10). It is embedded in The first retaining member (43) is installed on the first base (40), and the first retaining The first lock pin (41) is pulled into the first seat (40) by the actuation of the member (43). Can be put, The suitcase is expandable.

20. 20. The extendable suitcase of claim 19, The telescopic rod (3) is made up of a push-pull fixed tube (30) and a push-pull moving tube (31). Including, The push-pull fixed tube (30) is sleeve-connected in the housing moving tube (2). The lower end portion is fixed to one side of the upper end portion of the first base (40), The push-pull moving tube (31) is provided with a second locking member (32) at the lower end. The lower end of the push-pull fixed tube (30) is sleeve-connected therein, The push-pull moving tube (31) is connected to the push-pull fixed tube (32) by the second locking member (32). (30) is locked, The suitcase is expandable.

21. 21. The extendable suitcase of claim 20, The second locking member (32) includes a second base (320), a second lock pin (321), and a second A spring (322), and a second stop member (323), The second seat (320) is fixed and installed at the lower end of the housing moving tube (2). And, The push-pull fixing tube (30) has a plurality of second locking holes (300) from top to bottom. They are installed at regular intervals, The second lock pin (321) and the second spring (322) are (320), and one end of the second lock pin (321) is connected to the second spring. The other end of the second lock pin (321) is connected to the second locking ring (322). It is fitted into the hole (300), The second restraining member (323) is installed on the second base (320), and the second The second lock pin (321) is moved to the second seat (320) by driving the restraining member (323). ) is withdrawn into The suitcase is expandable.

22. 22. An extendable suitcase according to claim 21, The number of the first lock pins (41) is two, The two first lock pins (41) are arranged on both sides of the first base (40) facing each other. The system is designed to The ends of the first spring (42) are respectively connected to the two first lock pins (41). fixed and connected to the inner end, A first oblique groove (410) is provided at the upper end of the first lock pin (41). 、 The first restraining member (43) is slidably installed on the first base (40), A first oblique protrusion (430) is provided at the side end, and a first connecting rod (44) is provided at the upper end. is fixed, The first connecting rod (44) is located outside the push-pull fixed tube (30) and is The end of the first connecting rod (44) extends from inside the housing moving tube (2), and the first connecting rod (44) extends downward. When the first oblique protrusion (430) is pushed by the first oblique groove (410), the first oblique protrusion (430) is moved. is driven to move inward, and the first lock pin (41) is engaged with the first seat (40). To make people feel drawn in. The suitcase is expandable.

23. 23. An extendable suitcase according to claim 22, The second spring (322) has one end connected to the inner end of the second lock pin (321). and the other end is fixed and connected to the second seat (320); The second lock pin (321) has a second oblique groove (3210) at its upper end. the law of nature, The second restraining member (323) is slidably installed on the second base (320). , a second oblique protrusion (3230) is provided at the lower end, and a second connecting rod ( 324) is fixed, The second connecting rod (324) has an upper end which is inserted into the push-pull moving tube (31). When the second connecting rod (324) is pushed downward, the second oblique protrusion The portion (3230) is moved, and the second oblique groove (3210) is driven to move inward. , causing the second lock pin (321) to retract into the second seat (320); The suitcase is expandable.

24. 24. An extendable suitcase according to claim 23, The housing fixed tube (1), the housing moving tube (2), and the telescopic rod (3) are all There are two of them, one on each side. A mounting base (5) is fixed between the upper ends of the two housing moving tubes (2). the law of nature, A handle (6) is fixed between the upper ends of the two push-pull transfer tubes (31). It is being A first driving member (50) is installed on the mounting base (5), and the first driving section The two first connecting rods (44) are arranged to face each other through a member (50). is pushed downwards, A second driving member (60) is installed on the handle (6), and the second driving member ( The two second connecting rods (324) are arranged opposite each other through the is pushed downwards, The suitcase is expandable.

25. 25. An extendable suitcase according to claim 24, The first driving member (50) includes a first driving button (500) and a The drive rod (501) includes two first drive rods (501) respectively installed on the sides of the drive shaft (500); The first driving rod (501) has both ends with inclined surfaces and slides on the mounting base (5). When the first driving button (500) is pressed downward, the two front The first driving rod (501) is moved outward and downward relative to the first connecting rod (44). Press A first driving spring (502) is installed inside the first driving rod (501); The first driving spring (502) has two ends each connected to the first driving rod (501). ) and the mounting base (5), and moves the first driving rod (501) inward. Move and reposition, The second driving member (60) includes a second driving button (600) and a second driving button (601). two second driving rods (601) respectively installed on the sides of the shaft (600); The second driving rod (601) has beveled ends on both sides and can slide on the handle (6). When the second driving button (600) is pressed downward, the two The second driving rod (601) is moved outward and downward relative to the second connecting rod (324). Press, A second driving spring (602) is installed inside the second driving rod (601); The second driving spring (602) has two ends each connected to the second driving rod (601). ) and the handle (6), and moves the second driving rod (601) inward. To restore The suitcase is expandable.

26. 17. An extendable suitcase according to claim 16, The outer wall of the lower housing (8) is provided with a slide rail (8) along the extension and retraction direction of the suitcase. 5) is fixed, A slide block (74) is fixed to the inner wall of the upper housing (7), The slide block (74) is slidably installed on the slide rail (85). There are, The suitcase is expandable.

27. 18. An extendable suitcase according to claim 17, The upper locking member (72) and the lower locking member (82) are both fasteners. It is Nah, The suitcase is expandable.

28. 28. An extendable suitcase according to claim 27, The upper housing (7) has a lock (75) fixed to the outer wall of the lower end thereof. The fastener sliders of the upper locking member (72) and the lower locking member (82) Locked to said lock (75), The suitcase is expandable.

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