Extendable suitcase, and its new carry bar and suitcase body

Abstract

The present invention discloses an extendable suitcase, and its new carry bar and suitcase body. The extendable suitcase includes a new carry bar and a suitcase body. The new carry bar includes a housing fixing tube, a housing moving tube, and a telescopic rod, and the suitcase body includes an upper housing and a lower housing. The upper housing has a lower end connected to the outside of the lower housing by a sleeve, and the capacity of the suitcase can be adjusted by changing the relative positions of the upper housing and the lower housing. The housing moving tube has an upper end fixed and connected to the upper housing 7, and a first locking member is installed at the lower end. The housing fixing tube is fixed and connected to the lower housing, and the lower end of the housing moving tube is sleeve-connected inside, and the housing moving tube is locked to the housing fixing tube by the first locking member. A caster used to move the suitcase is installed at the bottom of the lower housing. The telescopic rod is installed at the upper end of the housing moving tube, and the suitcase is pushed or pulled via the telescopic rod. The present invention allows the suitcase's volume to be quickly adjusted, and the suitcase can be pushed or pulled via the telescopic rod.

Description

[Technical field]

[0001] The present invention relates to the technical field of suitcases, and more particularly to an extendable suitcase, and its new type of carry bar and suitcase body. [Background technology]

[0002] A suitcase, also called a trunk or carry case, is a case used to carry items when going out, and is a type of luggage. Suitcases are usually used to store clothes, personal care products, and souvenirs needed during a trip. The size of commercially available suitcases is usually based on airline regulations on the size of carry-on baggage and checked baggage that can be carried on board, and the size of the usable space inside the case is fixed, and the storage space inside the case cannot be changed according to actual needs, which makes it inflexible and difficult to use. Summary of the Invention [Problem to be solved by the invention]

[0003] The present invention aims to provide an extendable suitcase, as well as a new type of carry bar and suitcase body thereof. The expandable suitcase can adjust the capacity of the suitcase according to actual needs by changing the relative positions of the upper and lower housings. The upper and lower covers close the upper and lower housings respectively, so that items can be taken out quickly. The suitcase can be pushed or pulled through the carrying bar, making it flexible 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 includes an extendable rod, and a housing fixing tube and a housing moving tube are installed at the lower end of the extendable rod. The housing moving tube and the housing fixing tube are connected to the upper and lower ends of a housing that is extendable in the vertical direction, respectively. The housing moving tube has a first locking member installed at its lower end, and the lower end is sleeve-connected inside the housing fixing tube, and the housing moving tube is locked to the housing fixing tube by the first locking member. The extendable rod is installed at the upper end of the housing moving tube, and the housing is pushed or pulled via the extendable rod.

[0005] Preferably, the first locking member includes one first seat, a plurality of first lock pins, a first spring, and a first pressing member. The first seat is fixed and installed at the lower end of the housing moving tube. A plurality of first locking holes are installed at predetermined intervals from top to bottom on the housing fixing tube. The first lock pin and the first spring are installed in the first seat, one end of the first lock pin is connected to the first spring, and the other end of the first lock pin is fitted into the first locking hole. The first pressing member is installed in the first seat, and the first lock pin is retracted into the first seat by driving the first pressing member.

[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 in the housing moving tube, and a lower end is fixed to one side of the upper end of the first base. The push-pull moving tube is provided with a second locking member at its lower end, and the lower end is sleeve-connected in the push-pull fixed tube, and the second locking member locks the push-pull moving tube to the push-pull fixed tube.

[0007] Preferably, the second locking member includes a second seat, a second lock pin, a second spring, and a second pressing member. The second seat is fixed and installed at the lower end of the housing moving tube. The push-pull fixed tube has a plurality of second locking holes installed from top to bottom at a predetermined interval. The second lock pin and the second spring are installed in the second seat, one end of the second lock pin is connected to the second spring, and the other end of the second lock pin is fitted into the second locking hole. The second pressing member is installed in the second seat, and the second lock pin is retracted into the second seat by driving the second pressing member.

[0008] Preferably, the number of the first lock pins is two. The two first lock pins are provided on both sides of the first base so as to face each other. The ends of the first spring are fixed and connected to the inner ends of the two first lock pins, respectively. A first oblique groove is provided on the upper end of the first lock pin. The first pressing member is slidably installed on the first base, a first oblique protrusion is provided on the lower end, and a first connecting rod is fixed to the upper end. The first connecting rod is located outside the push-pull fixing tube, and an upper end of the first connecting rod extends from inside the housing moving tube. When the first connecting rod is pushed downward, the first oblique protrusion is moved, and the first oblique groove is driven to move inward, so that the first lock pin is retracted into the first base.

[0009] Preferably, one end of the second spring is fixed and connected to the inner end of the second lock pin, and the other end is fixed and connected to the second seat. A second oblique groove is provided at the upper end of the second lock pin. The second restraining member is slidably installed on the second seat, has a second oblique protrusion at its lower end, and has a second connecting rod fixed to its upper end. The upper end of the second connecting rod extends from inside the push-pull moving tube, and when the second connecting rod is pushed downward, the second oblique protrusion is moved, and the second oblique groove is driven to move inward, so that the second lock pin is drawn into the second seat.

[0010] Preferably, the housing fixing tube, the housing moving tube, and the telescopic rod are each installed in pairs, facing each other on the left and right. An attachment base is fixed between the upper ends of the two housing moving tubes. A handle is fixed between the upper ends of the two push-pull moving tubes. A first driving member is installed on the attachment base, and the two first connecting rods, which are installed facing each other, are pushed downward via the first driving member. A second driving member is installed on the handle, and the two second connecting rods, which are installed facing each other, are pushed downward via the second driving member.

[0011] Preferably, the first driving member includes a first driving button and two first driving rods respectively installed on the sides of the first driving button. The first driving rods have inclined ends on both sides and are slidably installed on the mounting base, and when the first driving button is pressed downward, the two first driving rods are moved outward and press downward against the first connecting rod. A first driving spring is installed inside the first driving rods. The first driving spring has both ends connected to the first driving rods and the mounting base, respectively, and moves the first driving rods inward to return to their original position.

[0012] Preferably, the second driving member includes a second driving button and two second driving rods respectively installed on the sides of the second driving button. The second driving rods have inclined ends on both sides and are slidably installed on the handle, and when the second driving button is pressed downward, the two second driving rods are moved outward and press downward against the second connecting rod. A second driving spring is installed inside the second driving rods. The second driving spring has both ends connected to the second driving rod and the handle, respectively, and moves the second driving rods inward to return to their original position.

[0013] The suitcase body includes an upper housing and a lower housing. The upper housing has a lower end connected to the outside of the lower housing by a sleeve, and the capacity of the suitcase can be adjusted by changing the relative positions of the upper housing and the lower housing. The upper housing includes an upper storage body and an upper cover that are installed to face each other, and an upper locking member is installed between the upper storage body and the upper cover, and the upper storage body and the upper cover are removably connected by the upper locking member. The lower housing includes a lower storage body and a lower cover that are installed to face each other, and a lower locking member is installed between the lower storage body and the lower cover, and the lower storage body and the lower cover are removably connected by the lower locking member.

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

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

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

[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 with a padlock.

[0018] Preferably, casters for moving the suitcase are provided at the bottom of the lower housing.

[0019] The suitcase is extendable and retractable, and includes a new carry bar and a suitcase body. The new carry 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 upper housing has a lower end connected to the outside of the lower housing by a sleeve, and the capacity of the suitcase can be adjusted by changing the relative positions of the upper housing and the lower housing. The housing moving tube has an upper end fixed and connected to the upper housing, and a first locking member is installed at the lower end. The housing fixing tube is fixed and connected to the lower housing, and a lower end of the housing moving tube is sleeve-connected inside, and the housing moving tube is locked to the housing fixing tube by the first locking member. A caster used for moving the suitcase is installed at the bottom of the lower housing. The telescopic rod is installed at the upper end of the housing moving tube, and the suitcase is pushed or pulled via the telescopic rod.

[0020] Preferably, the upper housing includes an upper housing and an upper cover arranged to face each other, an upper locking member is arranged between the upper housing and the upper cover, and the upper housing and the upper cover are removably connected by the upper locking member. The lower housing includes a lower housing and a lower cover arranged to face each other, a lower locking member is arranged between the lower housing and the lower cover, and the lower housing and the lower cover are removably connected by the lower locking member.

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

[0022] Preferably, the first locking member includes one first seat, a plurality of first lock pins, a first spring, and a first pressing member. The first seat is fixed and installed at the lower end of the housing moving tube. A plurality of first locking holes are installed at predetermined intervals from top to bottom on the housing fixing tube. The first lock pin and the first spring are installed in the first seat, one end of the first lock pin is connected to the first spring, and the other end of the first lock pin is fitted into the first locking hole. The first pressing member is installed in the first seat, and the first lock pin is retracted into the first seat by driving the first pressing member.

[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 in the housing moving tube, and a lower end is fixed to one side of the upper end of the first base. The push-pull moving tube is provided with a second locking member at its lower end, and the lower end is sleeve-connected in the push-pull fixed tube, and the second locking member locks the push-pull moving tube to the push-pull fixed tube.

[0024] Preferably, the second locking member includes a second seat, a second lock pin, a second spring, and a second pressing member. The second seat is fixed and installed at the lower end of the housing moving tube. The push-pull fixed tube has a plurality of second locking holes installed from top to bottom at a predetermined interval. The second lock pin and the second spring are installed in the second seat, one end of the second lock pin is connected to the second spring, and the other end of the second lock pin is fitted into the second locking hole. The second pressing member is installed in the second seat, and the second lock pin is retracted into the second seat by driving the second pressing member.

[0025] Preferably, the number of the first lock pins is two. The two first lock pins are provided on both sides of the first base so as to face each other. The ends of the first spring are fixed and connected to the inner ends of the two first lock pins, respectively. A first oblique groove is provided on the upper end of the first lock pin. The first pressing member is slidably installed on the first base, a first oblique protrusion is provided on the lower end, and a first connecting rod is fixed to the upper end. The first connecting rod is located outside the push-pull fixing tube, and an upper end of the first connecting rod extends from inside the housing moving tube. When the first connecting rod is pushed downward, the first oblique protrusion is moved, and the first oblique groove is driven to move inward, so that the first lock pin is retracted into the first base.

[0026] Preferably, one end of the second spring is fixed and connected to the inner end of the second lock pin, and the other end is fixed and connected to the second seat. A second oblique groove is provided at the upper end of the second lock pin. The second restraining member is slidably installed on the second seat, has a second oblique protrusion at its lower end, and has a second connecting rod fixed to its upper end. The upper end of the second connecting rod extends from inside the push-pull moving tube, and when the second connecting rod is pushed downward, the second oblique protrusion is moved, and the second oblique groove is driven to move inward, so that the second lock pin is drawn into the second seat.

[0027] Preferably, the housing fixing tube, the housing moving tube, and the telescopic rod are each installed in pairs, facing each other on the left and right. An attachment base is fixed between the upper ends of the two housing moving tubes. A handle is fixed between the upper ends of the two push-pull moving tubes. A first driving member is installed on the attachment base, and the two first connecting rods, which are installed facing each other, are pushed downward via the first driving member. A second driving member is installed on the handle, and the two second connecting rods, which are installed facing each other, are pushed downward via the second driving member.

[0028] Preferably, the first driving member includes a first driving button and two first driving rods respectively installed on the sides of the first driving button. The first driving rods have inclined ends on both sides and are slidably installed on the mounting base. When the first driving button is pressed downward, the two first driving rods are moved outward and press downward against the first connecting rod. A first driving spring is installed inside the first driving rod. The first driving spring has both ends connected to the first driving rod and the mounting base, respectively, and moves the first driving rod inward and returns to its original position. The second driving member includes a second driving button and two second driving rods respectively installed on the sides of the second driving button. The second driving rods have inclined ends on both sides and are slidably installed on the handle. When the second driving button is pressed downward, the two second driving rods are moved outward and press downward against the second connecting rod. A second driving spring is installed inside the second driving rod. A second drive spring has opposite ends connected to the second drive rod and the handle, respectively, and moves the second drive rod inward and returns it to its original position.

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

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

[0031] Preferably, a lock is fixed to an outer wall of a lower end of the upper housing, and fastener sliders of the upper locking member and the lower locking member are locked to the lock.

[0032] By adopting the above technical means, the present invention has the following beneficial effects. 1. The telescopic suitcase of the present invention, as well as its new carrying bar and suitcase body, can adjust the height of the suitcase by telescoping it according to actual conditions, and the relative length of the housing moving tube and the housing fixing tube can be adjusted through the first locking member, so that the capacity of the suitcase can be quickly adjusted, and the case can be pushed or pulled through the telescopic bar, which is flexible and easy to use.

[0033] 2. In the extendable suitcase of the present invention, as well as its new carry bar and suitcase body, the upper stopper is fitted from bottom to top into the gap between the lower stopper and the lower body, and the lower stopper is fitted from top to bottom into the gap between the upper stopper and the upper body, and the upper and lower stoppers limit the maximum extension length of the upper and lower bodies, preventing the upper and lower bodies from sliding off each other.

[0034] 3. In the retractable suitcase, as well as its new carrier bar and suitcase body of the present invention, the upper and lower locking members are both wire zippers, and the zipper sliders of the upper and lower locking members are locked with padlocks, making the operation simple and easy to use.

[0035] 4. In the telescopic suitcase of the present invention, as well as its new carry bar and suitcase body, when the first driving button is pressed, the two first driving rods are moved outward and pressed downward against the first connecting rod. When the first connecting rod is pressed downward, the first oblique protrusion is moved, and the first oblique groove is driven to move inward, so that the first locking pin is retracted into the first base, allowing the housing moving tube to move along the housing fixing tube, and the height of the suitcase can be adjusted. After the height adjustment is completed, when the first driving button is released, the first locking pin is fitted into the first locking hole by the action of the restoring force of the first spring, and the housing moving tube and the housing fixing tube are locked. At the same time, the first driving spring moves the first driving rod inward and returns to its original position.

[0036] 5. In the telescopic suitcase of the present invention, as well as the new carry bar and suitcase body thereof, when the second driving button is pressed, the two second driving rods are moved outward and pressed downward against the second connecting rod. When the second connecting rod is pressed downward, the second oblique protrusion is moved, the second oblique groove is driven to move inward, and the second locking pin is retracted into the second base, allowing the push-pull moving tube to move along the push-pull fixed tube, and the height of the handle can be adjusted. After the height adjustment is completed, when the second driving button is released, the second locking pin is fitted into the second locking hole by the action of the restoring force of the second spring, and the push-pull moving tube and the push-pull fixed tube are locked. At the same time, the second driving spring moves the second driving rod inward and returns it 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 objectives, technical means and advantages of the present invention, the present invention will be described in more detail with reference to the drawings and examples below. The specific examples described in this specification are merely for the purpose of illustrating the present invention, and are not intended to limit the present invention.

[0039] Example 1 As shown in Figs. 7 to 17, the new carry bar includes a telescopic rod 3. A housing fixing tube 1 and a housing moving tube 2 are installed at the lower end of the telescopic rod 3. The housing moving tube 2 and the housing fixing tube 1 are connected to both upper and lower ends of the housing, which are vertically extendable and retractable, respectively. A first locking member 4 is installed at the lower end of the housing moving tube 2. The lower end of the housing moving tube 2 is sleeve-connected to the inside of the housing fixing tube 1. The first locking member 4 locks the housing moving tube 2 to the housing fixing tube 1. The telescopic rod 3 is installed at the upper end of the housing moving tube 2, and the housing is pushed or pulled via the telescopic rod 3.

[0040] The first locking member 4 includes a first base 40, a plurality of first lock pins 41, a first spring 42, and a first pressing member 43. The first base 40 is fixed and installed at the lower end of the housing moving tube 2. A plurality of first locking holes 10 are installed at predetermined intervals from top to bottom on the housing fixing tube 1. The first lock pin 41 and the first spring 42 are installed in the first base 40, one end of the first lock pin 41 is connected to the first spring 42, and the other end of the first lock pin 41 is fitted into the first locking hole 10. The first pressing member 43 is installed in the first base 40, and the first lock pin 41 is retracted into the first base 40 by driving the first pressing member 43.

[0041] The telescopic rod 3 includes a push-pull fixed tube 30 and a push-pull moving tube 31. The push-pull fixed tube 30 is sleeve-connected within the housing moving tube 2, and a lower end portion is fixed to one side of the upper end portion of the first base 40. A second locking member 32 is provided at a lower end portion of the push-pull moving tube 31. The lower end portion of the push-pull moving tube 31 is sleeve-connected within the push-pull fixed tube 30, and the push-pull moving tube 31 is locked to the push-pull fixed tube 30 by the second locking member 32.

[0042] The second locking member 32 includes a second base 320, a second lock pin 321, a second spring 322, and a second pressing member 323. The second base 320 is fixed and installed at the lower end of the housing moving tube 2. A plurality of second locking holes 300 are installed at predetermined intervals from top to bottom in the push-pull fixing tube 30. The second lock pin 321 and the second spring 322 are installed in the second base 320, one end of the second lock pin 321 is connected to the second spring 322, and the other end of the second lock pin 321 is fitted into the second locking hole 300. The second pressing member 323 is installed in the second base 320, and the second lock pin 321 is retracted into the second base 320 by driving the second pressing member 323.

[0043] The number of the first lock pins 41 is two. The two first lock pins 41 are provided on both sides of the first base 40 so as to face each other. The ends of the first spring 42 are fixed and connected to the inner ends of the two first lock pins 41, respectively. A first oblique groove 410 is provided at the upper end of the first lock pin 41. The first pressing member 43 is slidably installed on the first base 40, a first oblique protrusion 430 is provided at the lower end, and a first connecting rod 44 is fixed to the upper end. The first connecting rod 44 is located outside the push-pull fixed tube 30, and the upper end extends from the housing moving tube 2. When the first connecting rod 44 is pushed downward, the first oblique protrusion 430 is moved, and the first oblique groove 410 is driven to move inward, 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, and the other end fixed and connected to the second seat 320. A second oblique groove 3210 is provided at the upper end of the second lock pin 321. The second pressing member 323 is slidably installed on the second seat 320. A second oblique protrusion 3230 is provided at the lower end of the second pressing member 323. A second connecting rod 324 is fixed to the upper end of the second pressing member 323. The upper end of the second connecting rod 324 extends from the inside of the push-pull moving tube 31, and when the second connecting rod 324 is pressed downward, the second oblique protrusion 3230 is moved, and the second oblique groove 3210 is driven to move inward, so that the second lock pin 321 is drawn into the second seat 320.

[0045] The housing fixed tube 1, the housing moving tube 2, and the telescopic rod 3 are each installed 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 two first connecting rods 44, which are installed to face each other, are pushed downward via the first driving member 50. A second driving member 60 is installed on the handle 6, and the two second connecting rods 324, which are installed to face each other, are pushed downward via the second driving member 60.

[0046] The first driving member 50 includes a first driving button 500 and two first driving rods 501 respectively installed on the sides of the first driving button 500. The first driving rods 501 have inclined ends on both sides and are slidably installed on the mounting base 5. When the first driving button 500 is pressed downward, the two first driving rods 501 are moved outward and press downward against the first connecting rod 44. A first driving spring 502 is installed inside the first driving rods 501. The first driving spring 502 has both ends connected to the first driving rods 501 and the mounting base 5 respectively, and moves the first driving rods 501 inward to return to their original position.

[0047] The second driving member 60 includes a second driving button 600 and two second driving rods 601 respectively installed on the sides of the second driving button 600. The second driving rods 601 have inclined ends on both sides and are slidably installed on the handle 6. When the second driving button 600 is pressed downward, the two second driving rods 601 are moved outward and press downward against the second connecting rod 324. A second driving spring 602 is installed inside the second driving rod 601. The second driving spring 602 has both ends connected to the second driving rod 601 and the handle 6 respectively, and moves the second driving rod 601 inward to return to its original position.

[0048] Example 2 As shown in Figs. 1 to 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, and the capacity of the suitcase can be adjusted by changing the relative positions of the upper housing 7 and the lower housing 8. The upper housing 7 includes an upper storage body 70 and an upper cover 71 that are installed to face each other, an upper locking member 72 is installed between the upper storage body 70 and the upper cover 71, and the upper storage body 70 and the upper cover 71 are removably connected by the upper locking member 72. The lower housing 8 includes a lower storage body 80 and a lower cover 81 that are installed to face each other, a lower locking member 82 is installed between the lower storage body 80 and the lower cover 81, and the lower storage body 80 and the lower cover 81 are removably connected by the lower locking member 82.

[0049] An upper stopper 73 is fixed to the lower end of the upper housing 7. The upper stopper 73 extends to the upper end of the inside of the upper housing 7. A lower stopper 83 is fixed to the upper end of the lower housing 8. The lower stopper 83 extends to the lower end of the outside of the lower housing 8. The upper stopper 73 is fitted from bottom to top into the gap between the lower stopper 83 and the lower housing 8. The lower stopper 83 is fitted from top to bottom into the gap between the upper stopper 73 and the upper housing 7. The upper stopper 73 and the lower stopper 83 limit 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 slide block 74 is installed on the slide rail 85 so as to be slidable.

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

[0052] A lock 75 is fixed to the outer wall of the lower end of the upper housing 7. The fastener sliders of the upper locking member 72 and the lower locking member 82 are locked by the lock 75.

[0053] Casters 84 are provided at the bottom of the lower housing 8 for moving the suitcase.

[0054] As shown in Figs. 1 to 17, the suitcase is extendable and includes a new carry bar 001 and a suitcase body 001. The new carry bar 001 includes a housing fixing tube 1, a housing moving tube 2, and a telescopic rod 3. The suitcase body 001 includes an upper housing 7 and a lower housing 8. The upper housing 7 has a lower end connected to the outside of the lower housing 8 by a sleeve, and the capacity of the suitcase can be adjusted by changing the relative positions of the upper housing 7 and the lower housing 8. The housing moving tube 2 has an upper end fixed and connected to the upper housing 7, and a first locking member 4 is installed at the lower end. The housing fixing tube 1 is fixed and connected to the lower housing 8, and the lower end of the housing moving tube 2 is sleeve-connected inside, and the housing moving tube 2 is locked to the housing fixing tube 1 by the first locking member 4. Casters 84 used to move the suitcase are installed at the bottom of the lower housing 8. The telescopic rod 3 is installed at the upper end of the housing moving tube 2, and the suitcase is pushed or pulled via the telescopic rod 3.

[0055] The upper housing 7 includes an upper housing 70 and an upper cover 71 that are arranged to face each other, an upper locking member 72 is arranged between the upper housing 70 and the upper cover 71, and the upper housing 70 and the upper cover 71 are removably connected by the upper locking member 72. The lower housing 8 includes a lower housing 80 and a lower cover 81 that are arranged to face each other, a lower locking member 82 is arranged between the lower housing 80 and the lower cover 81, and the lower housing 80 and the lower cover 81 are removably connected by the lower locking member 82.

[0056] An upper stopper 73 is fixed to the lower end of the upper housing 7. The upper stopper 73 extends to the upper end of the inside of the upper housing 7. A lower stopper 83 is fixed to the upper end of the lower housing 8. The lower stopper 83 extends to the lower end of the outside of the lower housing 8. The upper stopper 73 is fitted from bottom to top into the gap between the lower stopper 83 and the lower housing 8. The lower stopper 83 is fitted from top to bottom into the gap between the upper stopper 73 and the upper housing 7. The upper stopper 73 and the lower stopper 83 limit the maximum extension length of the upper housing 7 and the lower housing 8.

[0057] The first locking member 4 includes one first base 40, a plurality of first lock pins 41, a first spring 42, and a first pressing member 43. The first base 40 is fixed and installed at the lower end of the housing moving tube 2. A plurality of first locking holes 10 are installed at predetermined intervals from top to bottom on the housing fixing tube 1. The first lock pin 41 and the first spring 42 are installed in the first base 40, one end of the first lock pin 41 is connected to the first spring 42, and the other end of the first lock pin 41 is fitted into the first locking hole 10. The first pressing member 43 is installed in the first base 40, and the first lock pin 41 is retracted into the first base 40 by driving the first pressing member 43.

[0058] The telescopic rod 3 includes a push-pull fixed tube 30 and a push-pull moving tube 31. The push-pull fixed tube 30 is sleeve-connected inside the housing moving tube 2, and a 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 its lower end portion, and the lower end portion is sleeve-connected inside the push-pull fixed tube 30, and the push-pull moving tube 31 is locked to the push-pull fixed tube 30 by the second locking member 32.

[0059] The second locking member 32 includes a second pedestal 320, a second lock pin 321, a second spring 322, and a second pressing member 323. The second pedestal 320 is fixed and installed at the lower end of the housing moving tube 2. A plurality of second locking holes 300 are installed at predetermined intervals from top to bottom in the push-pull fixing tube 30. The second lock pin 321 and the second spring 322 are installed in the second pedestal 320, one end of the second lock pin 321 is connected to the second spring 322, and the other end of the second lock pin 321 is fitted into the second locking hole 300. The second pressing member 323 is installed in the second pedestal 320, and the second lock pin 321 is retracted into the second pedestal 320 by driving the second pressing member 323.

[0060] The number of the first lock pins 41 is two. The two first lock pins 41 are provided on both sides of the first base 40 so as to face each other. The ends of the first spring 42 are fixed and connected to the inner ends of the two first lock pins 41, respectively. A first oblique groove 410 is provided at the upper end of the first lock pin 41. The first pressing member 43 is slidably installed on the first base 40, a first oblique protrusion 430 is provided at the lower end, and a first connecting rod 44 is fixed to the upper end. The first connecting rod 44 is located outside the push-pull fixed tube 30, and the upper end extends from the housing moving tube 2. When the first connecting rod 44 is pushed downward, the first oblique protrusion 430 is moved, and the first oblique groove 410 is driven to move inward, 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, and the other end fixed and connected to the second seat 320. A second oblique groove 3210 is provided at the upper end of the second lock pin 321. The second restraining member 323 is slidably installed on the second seat 320, has a second oblique protrusion 3230 at its lower end, and has a second connecting rod 324 fixed to its upper end. The upper end of the second connecting rod 324 extends from inside the push-pull moving tube 31, and when the second connecting rod 324 is pressed downward, the second oblique protrusion 3230 is moved, and the second oblique groove 3210 is driven to move inward, so that the second lock pin 321 is drawn into the second seat 320.

[0062] The housing fixed tube 1, the housing moving tube 2, and the telescopic rod 3 are each installed 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 two first connecting rods 44, which are installed to face each other, are pushed downward via the first driving member 50. A second driving member 60 is installed on the handle 6, and the two second connecting rods 324, which are installed to face each other, are pushed downward via the second driving member 60.

[0063] The first driving member 50 includes a first driving button 500 and two first driving rods 501 respectively installed on the sides of the first driving button 500. The first driving rods 501 have inclined ends on both sides and are slidably installed on the mounting base 5. When the first driving button 500 is pressed downward, the two first driving rods 501 are moved outward and press downward against the first connecting rod 44. A first driving spring 502 is installed inside the first driving rod 501. The first driving spring 502 has both ends connected to the first driving rod 501 and the mounting base 5, respectively, and moves the first driving rod 501 inward to return to its original position. The second driving member 60 includes a second driving button 600 and two second driving rods 601 respectively installed on the sides of the second driving button 600. The second driving rod 601 has both ends with inclined surfaces and is slidably installed on the handle 6. When the second driving button 600 is pressed downward, the two second driving rods 601 are moved outward and press downward against the second connecting rod 324. A second driving spring 602 is installed inside the second driving rod 601. Both ends of the second driving spring 602 are connected to the second driving rod 601 and the handle 6, respectively, and move the second driving rod 601 inward to 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 slide block 74 is installed on the slide rail 85 so as to be slidable.

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

[0066] A lock 75 is fixed to the outer wall of the lower end of the upper housing 7. The fastener sliders of the upper locking member 72 and the lower locking member 82 are 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 not limited thereto, and any modifications or replacements that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present invention shall be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be in accordance with the scope of protection of 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 device is provided with an extendable rod (3), and a housing fixing tube (1) and a housing moving tube (2) are installed at the lower end of the extendable rod (3); The housing moving tube (2) and the housing fixing tube (1) are connected to the ends on both the upper and lower sides of a housing that is vertically extendable and contractible, The housing moving tube (2) has a first locking member (4) installed at its lower end, and the lower end is sleeve-connected to the inside of the housing fixing tube (1), and the housing moving tube (2) is locked to the housing fixing tube (1) by the first locking member (4); The telescopic rod (3) is installed at the upper end of the housing moving tube (2), and the housing is pushed or pulled via the telescopic rod (3); The first locking member (4) includes a first base (40), a plurality of first lock pins (41), a first spring (42), and a first pressing 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) arranged at predetermined intervals from top to bottom, The first lock pin (41) and the first spring (42) are installed in the first base (40), one end of the first lock pin (41) is connected to the first spring (42), and the other end of the first lock pin (41) is fitted into the first locking hole (10); The first pressing member (43) is installed on the first base (40), and the first lock pin (41) is retracted into the first base (40) by driving the first pressing member (43). A new carry bar characterized by the following:

2. The new carry bar according to claim 1, The telescopic rod (3) includes a push-pull fixed tube (30) and a push-pull moving tube (31); The push-pull fixed tube (30) is sleeve-connected in the housing moving tube (2), and a lower end portion is fixed to one side of an upper end portion of the first base (40); The push-pull moving tube (31) is provided with a second locking member (32) at its lower end, and the lower end is sleeve-connected in the push-pull fixed tube (30), and the push-pull moving tube (31) is locked to the push-pull fixed tube (30) by the second locking member (32). A new carry bar characterized by the following:

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

4. The new carry bar according to claim 3, The number of the first lock pins (41) is two, The two first lock pins (41) are provided on both sides of the first base (40) so as to face each other, The ends of the first spring (42) are fixed and connected to the inner ends of the two first lock pins (41), respectively; A first oblique groove (410) is provided at the upper end of the first lock pin (41), The first pressing member (43) is slidably installed on the first base (40), has a first oblique protrusion (430) installed at a lower end, and has a first connecting rod (44) fixed to an upper end, The first connecting rod (44) is located outside the push-pull fixed tube (30), and its upper end extends from inside the housing moving tube (2). When the first connecting rod (44) is pushed downward, the first oblique protrusion (430) is moved, and the first oblique groove (410) is driven to move inward, so that the first lock pin (41) is pulled into the first base (40). A new carry bar characterized by the following:

5. The new carry bar according to claim 4, the second spring (322) has one end fixed and connected to the inner end of the second lock pin (321) and the other end fixed and connected to the second seat (320); A second oblique groove (3210) is provided at the upper end of the second lock pin (321); The second restraining member (323) is slidably installed on the second base (320), has a second oblique protrusion (3230) installed at a lower end thereof, and has a second connecting rod (324) fixed at an upper end thereof; The upper end of the second connecting rod (324) extends 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, and the second oblique groove (3210) is driven to move inward, so that the second lock pin (321) is pulled into the second base (320). A new carry bar characterized by the following:

6. The new carry bar according to claim 5, The housing fixed 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 movement 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 two first connecting rods (44) that are installed to face each other are pushed downward via the first driving member (50); A second driving member (60) is installed on the handle (6), and the two second connecting rods (324) that are installed facing each other are pushed downward via the second driving member (60). A new carry bar characterized by the following:

7. The new carry bar according to claim 6, The first driving member (50) includes a first driving button (500) and two first driving rods (501) respectively installed on the sides of the first driving button (500); The first driving rod (501) has inclined ends on both sides and is slidably installed on the mounting base (5). When the first driving button (500) is pressed downward, the two first driving rods (501) are moved outward and pressed downward against the first connecting rod (44); A first driving spring (502) is installed inside the first driving rod (501), and both ends of the first driving spring (502) are connected to the first driving rod (501) and the mounting base (5), respectively, and move the first driving rod (501) inward and return it to its original position. A new carry bar characterized by the following:

8. The new carry bar according to claim 6, The second driving member (60) includes a second driving button (600) and two second driving rods (601) respectively installed on the sides of the second driving button (600); The second driving rod (601) has inclined ends on both sides and is slidably installed on the handle (6). When the second driving button (600) is pressed downward, the two second driving rods (601) are moved outward and pressed downward against the second connecting rod (324); A second driving spring (602) is installed inside the second driving rod (601), and both ends of the second driving spring (602) are connected to the second driving rod (601) and the handle (6), respectively, and move the second driving rod (601) inward and return it to its original position. A new carry bar characterized by the following:

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