Jack capable of achieving multi-angle fixing of pressing handle

Abstract

A jack capable of achieving multi-angle fixing of a pressing hand comprises the pressing hand, a movable fixing shaft component, a fixing shaft component and a rack component, the pressing hand is pivoted to the rack component through the fixing shaft component, the movable fixing shaft component comprises a stirring piece, a pin shaft sleeve, a spring and a movable pin, the pressing hand is provided with a hole matched with the movable pin, the pin shaft sleeve is fixed to the rack component, and the pin shaft sleeve is fixed to the rack component. The movable pin is arranged in an inner hole of the pin sleeve, the inner hole of the pin sleeve and the movable pin are provided with a first stop face and a second stop face respectively, the movable pin is sleeved with the spring and located between the first stop face and the second stop face, a shifting piece is fixed to one end of the movable pin and abuts against the abutting end of the pin sleeve in a pressed mode, and the abutting end is provided with a locking point and a releasing point. When the shifting piece is pressed on the locking point, the movable pin extends into the hole in the pressing hand, and the pressing hand cannot rotate; and when the shifting piece is pressed on the release point, the movable pin is separated from the hole in the pressing hand, and the pressing hand rotates around the fixed shaft part. The device has the advantages that the pressing handle can be fixed at multiple angles and can be quickly and conveniently positioned.

Description

Technical Field

[0001] The utility model belongs to the technical field of jacks, and in particular relates to a jack capable of realizing multi-angle fixation by pressing a hand. Background Art

[0002] A jack is a tool used to lift heavy objects, and the click handle is one of the important components of a jack. Its function is to control the upward or downward movement of the piston by pressing the handle inserted in the click handle, thereby lifting or lowering the heavy object.

[0003] The jack is used in different scenarios, and the pressing handle needs to be fixed at different angles. For example, when carrying heavy objects, the pressing handle needs to be positioned at a 90° angle to the ground, and when the jack is in the process of transportation, the pressing handle needs to be positioned horizontally. The prior art generally does not consider the multi-angle positioning problem of the pressing handle, so it is impossible to quickly and conveniently switch from one positioning angle to another.

[0004] In view of the above-mentioned prior art, it is necessary to propose a kind of multi-angle fixing structure of the snap handle to the existing jack. For this reason, the applicant has made a useful design, and the technical solution to be introduced below is produced under this background. Utility Model Content

[0005] The task of the utility model is to provide a jack which can realize the multi-angle fixing of a pressing handle, which can fix the pressing handle at multiple angles and realize the positioning of the pressing handle quickly and easily.

[0006] The task of the utility model is accomplished in this way. A jack that realizes multi-angle fixation of a pressing handle comprises a pressing handle, a movable fixed shaft component, a fixed shaft component and a frame component. The fixed shaft component rotatably sets the pressing handle on the frame component. The characteristics are: the movable fixed shaft component comprises a toggle member, a pin shaft sleeve, a spring, and a movable pin. The pressing handle is provided with a plurality of holes that match the movable pin. The pin shaft sleeve is fixed on the frame component. The movable pin is arranged in the inner hole of the pin shaft sleeve. The inner hole of the pin shaft sleeve is provided with a first stop surface for the spring. The movable pin is provided with a second stop surface for the spring. The spring It is sleeved on the movable pin and located between the first stop surface and the second stop surface. A toggle piece is fixed on the end of the movable pin that protrudes out of the first stop surface. The toggle piece is pressed against the abutment end of the pin shaft sleeve away from the pressing hand. A locking point and a release point are provided on the abutment end. When the toggle piece is pressed against the locking point, the movable pin extends into the hole on the pressing hand under the elastic force of the spring, and the pressing hand cannot rotate; when the toggle piece is pressed against the release point, the toggle piece pulls the movable pin to make the second stop surface overcome the force of the spring and lean against the first stop surface, the movable pin disengages from the hole on the pressing hand, and the pressing hand can rotate around the fixed axis component.

[0007] In a specific embodiment of the present utility model, the first stop surface is a stepped hole extending from the inner hole of the pin sleeve toward the spring, and the second stop surface is a boss extending from the movable pin toward the spring.

[0008] In another specific embodiment of the utility model, the outer circle of the end of the pin sleeve close to the click handle is processed into an external thread, the external thread is screwed into the frame component to achieve a threaded connection, and a nut is fastened to the external thread to fix the pin sleeve.

[0009] In yet another specific embodiment of the present invention, the end surface of the abutting end of the pin sleeve is a curved surface, and the curved surface passes through a locking point and a releasing point.

[0010] In another specific embodiment of the utility model, a positioning point can be further set on the abutting end, and the curved surface passes through the positioning point. When the toggle member is pressed against the positioning point, the protruding end of the movable pin close to the pressing hand will not extend due to the elastic force of the spring, and a positioning pit is provided on the positioning point.

[0011] In another specific embodiment of the utility model, the holes on the pressing hand include a first hole, a second hole, and a third hole. When the pressing hand is in a horizontal position, the movable pin cooperates with the first hole under the action of a spring to fix the pressing hand in a horizontal position; when the pressing hand is in a 45° position, the movable pin cooperates with the second hole under the action of a spring to fix the pressing hand in a 45° position; when the pressing hand is in a 90° position, the movable pin cooperates with the third hole under the action of a spring to fix the pressing hand in a 90° position.

[0012] In a more specific embodiment of the present invention, a large chamfer is processed on the protruding end of the movable pin close to the push handle, and when the toggle member is pressed against the locking point, the large chamfer is located at the upper part of the protruding end facing the hole.

[0013] In yet another specific embodiment of the present invention, the curved surface is symmetrically arranged relative to a longitudinal section passing through the axis of the pin sleeve or symmetrically arranged along the center of the pin sleeve axis.

[0014] In yet another specific embodiment of the present invention, a pair of locking points and release points are arranged on a straight line, the locking points and the release points are connected by a curved surface arranged symmetrically from the center, and the toggle member passes through the movable pin and is pressed against a pair of locking points or release points.

[0015] The utility model has the following beneficial effects due to the adoption of the above structure: first, in a natural state, the movable pin in the movable fixed shaft component extends into the hole on the pressing hand under the action of the spring, so that the pressing hand is fixed at a certain angle, and the movable pin connected thereto can be separated from the hole on the pressing hand by operating the toggle piece, so that the pressing hand can swing freely, thereby realizing the rising action of the jack, and the positioning of the pressing hand is convenient and fast; second, the movable fixed shaft component has a simple structure and is easy to operate. The operator only needs to stand at the operating position of the jack from the radial direction of the pin shaft sleeve and toggle the toggle piece with one hand, and the toggle piece slides away from the pressing hand along the curved surface, and the other hand rotates the pressing hand or the handle on the pressing hand to make it reach a specified angle, and then releases the toggle piece to make the movable pin extend into the hole on the pressing hand, so that the pressing hand can be quickly changed to multiple fixed angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an exploded schematic diagram of the jack described in one embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the installation of the jack described in one embodiment of the utility model;

[0018] Figure 3 for Figure 2 A magnified schematic diagram of part A;

[0019] Figure 4 A three-dimensional diagram of a pin sleeve in one embodiment of the utility model;

[0020] Figure 5 It is a schematic diagram of a state where the toggle member in one embodiment of the utility model is located at a locking point;

[0021] Figure 6 It is a schematic diagram of the rotation process of the toggle member in one embodiment of the utility model;

[0022] Figure 7 It is a schematic diagram of the toggle member in one embodiment of the utility model when it is retracted into the pin sleeve;

[0023] Figure 8 It is a schematic diagram of another embodiment of the movable fixed shaft component described in one embodiment of the utility model;

[0024] Fig. 9 It is an explosion schematic diagram of the jack described in another embodiment of the utility model;

[0025] Fig.10 This is a schematic diagram of the installation of the jack in another embodiment of the utility model;

[0026] Fig.11 for Fig.10 A magnified schematic diagram of part B;

[0027] Fig.12 This is a schematic diagram of the installation of the jack in another embodiment of the utility model;

[0028] Fig.13 for Fig.12 Enlarged schematic diagram of part C.

[0029] In the figure: 1. snap handle, 10. hole, 101. first hole, 102. second hole, 103. third hole, 11. pivot hole, 12. first chamfer; 2. frame component, 21. movable shaft fixing hole; 3. fixed shaft, 4. toggle member, 5. pin sleeve, 51. first stop surface, 511. stepped hole, 52. abutment end, 520. curved surface, 521. locking point, 522. release point, 523. positioning point, 5231. positioning pit, 53. external thread; 6. spring; 7. movable pin, 71. second stop surface, 711. boss, 72. protruding end, 721. second chamfer, 722. large chamfer; 8. nut. DETAILED DESCRIPTION

[0030] The specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings, but the description of the embodiments is not a limitation of the technical solution. Any changes in form rather than substance based on the concept of the present invention should be regarded as the protection scope of the present invention.

[0031] In the following description, all concepts related to directionality or orientation such as up, down, left, right, front and back are based on the positions shown in the corresponding drawings. They are only used to facilitate the description of the technical solution provided by the utility model and simplify the description in conjunction with the drawings, and therefore cannot be understood as a special limitation on the technical solution provided by the utility model. Example 1

[0032] See also Figure 1 , Figure 2 The present embodiment relates to a jack capable of realizing multi-angle fixation of a pressing handle, comprising a pressing handle 1, a movable fixed shaft component, a fixed shaft component and a frame component 2. The fixed shaft component rotatably sets the pressing handle 1 on the frame component 2. In the present embodiment, the fixed shaft component is an ordinary fixed shaft 3, which coaxially passes through both sides of the frame component 2 and then extends into the pivot holes 11 on both sides of the pressing handle 1, so that the pressing handle 1 can rotate around the fixed shaft component in the absence of other fixed points.

[0033] like Figure 1 , Figure 3 , Figure 4As shown, the movable fixed shaft component includes a toggle member 4, a pin sleeve 5, a spring 6, and a movable pin 7. The press handle 1 is provided with a plurality of holes 10 that match the movable pin 7. The pin sleeve 5 is fixed to the frame component 2. The movable pin 7 is arranged in the inner hole of the pin sleeve 5. The inner hole of the pin sleeve 5 is provided with a first stop surface 51 for the spring 6. The movable pin 7 is provided with a second stop surface 71 for the spring 6. The spring 6 is sleeved on the movable pin 7 and is located at the first stop surface 71. A toggle member 4 is fixed to one end of the movable pin 7 protruding from the first stop surface 51 between a stop surface 51 and a second stop surface 71. A locking point 521 and a release point 522 for the toggle member 4 to press against are provided on the abutting end 52 of the pin sleeve 5 away from the pressing handle 1. When the toggle member 4 presses against the locking point 521, the protruding end 72 of the movable pin 7 close to the pressing handle 1 extends into the hole 10 on the pressing handle 1 under the elastic force of the spring 6, and the pressing handle 1 cannot rotate. Figure 5 When the toggle member 4 is pressed against the release point 522, the toggle member 4 pulls the movable pin 7 so that the second stop surface 71 overcomes the force of the spring 6 and leans against the first stop surface 51, and the protruding end 72 of the movable pin 7 is separated from the hole 10 on the pressing handle 1, and the pressing handle 1 can rotate around the fixed shaft component, see Figure 6 .

[0034] like Figure 3 As shown, in this embodiment, the toggle member 4 is preferably a pin shaft passing through one end of the movable pin 7. The toggle member 4 can also be other components fixed on one end of the movable pin 7, such as a handle assembled on the outer circle of the movable pin 7.

[0035] like Figure 3 As shown, in this embodiment, the first stop surface 51 is a stepped hole 511 extending from the inner hole of the pin sleeve 5 to the spring 6, and the second stop surface 71 is a boss 711 extending from the movable pin 7 to the spring 6. One end of the spring 6 presses against the stepped hole 511, and the other end presses against the boss 711. The spring 6 is installed between the first stop surface 51 and the second stop surface 71, so that the movable pin 7 automatically extends out of the pin sleeve 5 under the action of the spring force. The first stop surface 51 can also be an inner retaining ring, and the second stop surface 71 can also be an outer retaining ring, or the first stop surface 51 and the second stop surface 71 are other components that block the spring 6.

[0036] like Figure 1 , Figure 3 , Figure 4 As shown, the outer ring of the pin sleeve 5 is a stepped type, and can also be processed into a non-stepped type. The outer circle of the end close to the pressing handle 1 is processed into an external thread 53, and the external thread 53 is screwed into the movable shaft fixing hole 21 of the frame component 2 to realize a threaded connection, and the nut 8 is fastened to the external thread 53 to realize the fixation of the pin sleeve 5.

[0037] like Figure 4 As shown, the end surface of the abutting end 52 of the pin sleeve 5 is a curved surface 520. The curved surface 520 passes through a locking point 521 and a release point 522. A positioning point 523 may also be provided on the abutting end 52, and the curved surface 520 passes through the positioning point 523.

[0038] like Figures 5 to 7 As shown, when the pressing handle 1 is released, the toggle member 4 is pulled to slide along the curved surface 520 from the locking point 521 to the release point 522. When the toggle member 4 passes the release point 522, the movable pin 7 can be separated from the hole 10 on the pressing handle 1. Figure 6 As shown, at this time, the toggle member 4 continues to slide along the curved surface 520 toward the positioning point 523 until it is pressed against the positioning point 523, as shown in FIG. Figure 7 As shown, in this embodiment, the positioning point 523 is farther away from the pressing handle 1 relative to the release point 522. A positioning pit 5231 is provided on the positioning point 523 for positioning the toggle member 4, which is convenient for the stable positioning of the toggle member 4 and is not easy to slide to the locking point 521. When the toggle member 4 is positioned in the positioning pit 5231, the pressing handle 1 can be operated to make the jack rise. When locking the pressing handle 1, it is only necessary to pull the toggle member 4 away from the positioning pit 5231, and the toggle member 4 will slide along the curved surface 520 to the locking point 521 under the elastic force of the spring 6. The release point 522 and the positioning point 523 can also be the same point, then the positioning pit 5231 is directly set on the release point 522.

[0039] When adjusting the fixed angle of the pressing handle 1, the toggle member 4 does not need to be positioned. The operator stands at the operating position of the jack and toggle the toggle member 4 with one hand. The toggle member 4 slides along the curved surface 520 and away from the pressing handle 1, so that the protruding end 72 of the movable pin 7 is disengaged from the hole 10 on the pressing handle 1. At this time, the pressing handle 1 is rotated to the required angle, and then the toggle member 4 is released to reset it. The movable pin 7 can be quickly extended into another hole 10 on the pressing handle 1. The operation is simple and convenient.

[0040] The locking point 521 and the release point 522 can also be set as follows: the locking point 521 is located on an arc surface, and the release point 522 is a point protruding from the arc surface; or the release point 522 is located on an arc surface, and the locking point 521 is a point recessed from the arc surface; during operation, it is sufficient to pull the toggle member 4 to the corresponding point. Therefore, as long as the locking point 521 is closer to the pressing handle 1 than the release point 522, the technical effect of the technical solution can be achieved.

[0041] The curved surface 520 is symmetrically arranged relative to the longitudinal section passing through the axis of the pin sleeve 5. There may be more than one locking point 521 and release point 522 on the abutment end 52. For example, in this embodiment, there is one locking point 521 arranged on the longitudinal section in the vertical direction, and there are two release points 522 arranged symmetrically relative to the longitudinal section in the vertical direction.

[0042] The curved surface 520 can also be arranged symmetrically along the axis of the pin sleeve 5, such as Figure 8 As shown, a pair of locking points 521 and release points 522 are arranged on a straight line, and the locking points 521 and the release points 522 are connected by a curved surface 520 arranged symmetrically with the center, and the toggle member 4 is arranged through the movable pin 7 and pressed against a pair of locking points 521 or release points 522. During operation, the toggle member 4 is rotated along the curved surface 520 by a certain angle, so that the toggle member 4 is toggled from the locking point 521 to the release point 522.

[0043] like Figure 1 As shown, in this embodiment, the said pressing handle 1 has three holes 10, namely, a first hole 101, a second hole 102, and a third hole 103. When the pressing handle 1 is in a horizontal position, the movable pin 7 cooperates with the first hole 101 under the action of the spring 6 to fix the pressing handle 1 in a horizontal position; when the pressing handle 1 is in a 45° position, the movable pin 7 cooperates with the second hole 102 under the action of the spring 6 to fix the pressing handle 1 in a 45° position; when the pressing handle 1 is in a 90° position, the movable pin 7 cooperates with the third hole 103 under the action of the spring 6 to fix the pressing handle 1 in a 90° position. Of course, the pressing handle 1 can also be provided with less than three holes 10 or more than three holes 10 according to actual needs.

[0044] like Figure 3 As shown, a first chamfer 12 is processed on the surface of the snap handle 1 facing the movable pin 7, and a second chamfer 721 is processed on the protruding end 72 of the movable pin 7 close to the snap handle 1. The first chamfer 12 and the second chamfer 721 enable the protruding end 72 of the movable pin 7 to smoothly enter the hole 10 on the snap handle 1 when protruding out of the pin shaft sleeve 5, thereby realizing rapid positioning of the snap handle 1. Example 2

[0045] like Figures 9 to 11 As shown, the difference between this embodiment and embodiment 1 is that the pin sleeve 5 and the frame component 2 are connected by electric welding, and one end of the pin sleeve 5 is directly welded to the movable shaft fixing hole 21 of the frame component 2 instead of being threaded. Therefore, the nut 8 is not used in this embodiment, and the other parts and the connection relationship between them are the same as those in embodiment 1. Example 3

[0046] like Figure 12 to Figure 13As shown, the difference between this embodiment and the first embodiment is that a large chamfer 722 is processed on the protruding end 72 of the movable pin 7 close to the pressing handle 1. Specifically, when the toggle member 4 is pressed against the locking point 521, the large chamfer 722 is located at the upper part of the protruding end 72 facing the hole 10, and the chamfer of the large chamfer 722 faces the hole 10. When the pressing handle 1 is pressed down, the pressing handle 1 can push the movable pin 7 to a position away from the pressing handle 1 by pushing the chamfered surface of the large chamfer 722. In this way, the pressing handle 1 can be easily adjusted downward to a desired position by pressing down the pressing handle 1. The other parts and the connection relationship between them are the same as those of the first embodiment.

[0047] In addition, when the toggle member 4 is pressed against the locking point 521, the lower portion of the protruding end 72 facing the hole 10 is not provided with a large chamfer 722, and if the movable pin 7 is not adjusted to a position away from the pressing handle 1 by rotating the toggle member 4, the pressing handle 1 cannot be rotated upward.

Claims

1. A jack for realizing multi-angle fixation of a snap handle, comprising a snap handle (1), a movable fixed shaft component, a fixed shaft component and a frame component (2), wherein the fixed shaft component rotatably sets the snap handle (1) on the frame component (2), characterized in that: The movable fixed shaft component comprises a toggle member (4), a pin shaft sleeve (5), a spring (6), and a movable pin (7); the push handle (1) is provided with a plurality of holes (10) matching with the movable pin (7); the pin shaft sleeve (5) is fixed on the frame component (2); the movable pin (7) is arranged in the inner hole of the pin shaft sleeve (5); the inner hole of the pin shaft sleeve (5) is provided with a first stop surface (51) for the spring (6); the movable pin (7) is provided with a second stop surface (71) for the spring (6); the spring (6) is sleeved on the movable pin (7) and is located between the first stop surface (51) and the second stop surface (71); the toggle member (4) is fixed on one end of the movable pin (7) protruding out of the first stop surface (51) The toggle member (4) is pressed against an abutment end (52) of the pin sleeve (5) away from the pressing handle (1), and a locking point (521) and a release point (522) are provided on the abutment end (52). When the toggle member (4) is pressed against the locking point (521), the movable pin (7) extends into the hole (10) on the pressing handle (1) under the elastic force of the spring (6), and the pressing handle (1) cannot rotate; when the toggle member (4) is pressed against the release point (522), the toggle member (4) pulls the movable pin (7) so that the second stop surface (71) overcomes the force of the spring (6) and leans against the first stop surface (51), and the movable pin (7) is separated from the hole (10) on the pressing handle (1), and the pressing handle (1) can rotate around the fixed shaft component.

2. The jack for realizing multi-angle fixation by pressing the hand according to claim 1, characterized in that: The first stop surface (51) is a stepped hole (511) extending from the inner hole of the pin sleeve (5) toward the spring (6), and the second stop surface (71) is a boss (711) extending from the movable pin (7) toward the spring (6).

3. The jack for realizing multi-angle fixation by pressing the hand according to claim 1, characterized in that: The outer circle of one end of the pin sleeve (5) close to the pressing handle (1) is processed into an external thread (53), the external thread (53) is screwed into the frame component (2) to achieve a threaded connection, and a nut (8) is fastened to the external thread (53) to fix the pin sleeve (5).

4. The jack for realizing multi-angle fixation by pressing the hand according to claim 1, characterized in that: The end surface of the abutting end (52) of the pin sleeve (5) is a curved surface (520), and the curved surface (520) passes through a locking point (521) and a releasing point (522).

5. The jack for realizing multi-angle fixation by pressing the hand according to claim 4, characterized in that: A positioning point (523) may also be provided on the abutting end (52). When the curved surface (520) passes through the positioning point (523) and the actuating member (4) is pressed against the positioning point (523), the protruding end (72) of the movable pin (7) close to the pressing handle (1) will not extend due to the elastic force of the spring (6), and a positioning pit (5231) is provided on the positioning point (523).

6. The jack for realizing multi-angle fixation by pressing the hand according to claim 1, characterized in that: The holes (10) on the pressing handle (1) include a first hole (101), a second hole (102), and a third hole (103). When the pressing handle (1) is in a horizontal position, the movable pin (7) cooperates with the first hole (101) under the action of the spring (6) to fix the pressing handle (1) in a horizontal position; when the pressing handle (1) is in a (45)° position, the movable pin (7) cooperates with the second hole (102) under the action of the spring (6) to fix the pressing handle (1) in a 45° position; when the pressing handle (1) is in a 90° position, the movable pin (7) cooperates with the third hole (103) under the action of the spring (6) to fix the pressing handle (1) in a 90° position.

7. The jack for realizing multi-angle fixation by pressing the hand according to claim 1, characterized in that: A first chamfer (12) is processed on the surface of the pressing handle (1) facing the movable pin (7), and a second chamfer (721) is processed on the protruding end (72) of the movable pin (7) close to the pressing handle (1).

8. The jack capable of realizing multi-angle fixation by pressing the hand according to claim 1, characterized in that: A large chamfer (722) is processed on the protruding end (72) of the movable pin (7) close to the push handle (1). When the toggle member (4) is pressed against the locking point (521), the large chamfer (722) is located at the upper part of the protruding end (72) facing the hole (10).

9. The jack for realizing multi-angle fixation by pressing the hand according to claim 4, characterized in that: The curved surface (520) is symmetrically arranged relative to a longitudinal section passing through the axis of the pin shaft sleeve (5) or is symmetrically arranged along the center of the axis of the pin shaft sleeve (5).

10. The jack capable of realizing multi-angle fixation by snapping the handle according to claim 9, characterized in that: A pair of the locking point (521) and the release point (522) are arranged on a straight line, and the locking point (521) and the release point (522) are connected by a curved surface (520) arranged symmetrically with the center. The toggle member (4) passes through the movable pin (7) and is pressed against a pair of the locking points (521) or the release point (522).

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