Automobile shock absorber for cab of special vehicle

Abstract

The utility model discloses a special vehicle cab automobile shock absorber which comprises a lower installation plate and a connection shock absorption mechanism, the connection shock absorption mechanism is arranged on the lower installation plate and comprises a supporting plate, the supporting plate is arranged at the top of the lower installation plate, a cylinder barrel is installed at the top of the supporting plate, and the cylinder barrel is arranged on the lower installation plate. A piston rod matched with the cylinder barrel is arranged in the cylinder barrel, the top end of the piston rod penetrates through the cylinder barrel and extends to the outside of the cylinder barrel, the protective dismounting and mounting mechanism is arranged on the lower mounting plate and comprises a protective shell, and the protective shell is mounted at the top of the lower mounting plate. The supporting plate, the cylinder barrel, the piston rod, the fixed block, the damping spring, the connecting block, the upper mounting plate, the movable plate, the fixed shell, the movable block, the positioning rod, the positioning groove and the buffer spring are matched with one another, so that the damping effect of the cab automobile damper is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorbers, in particular to a shock absorber for a cab of a special vehicle. Background Art

[0002] Special vehicles refer to vehicles whose overall dimensions, weight, etc. exceed the design vehicle limits and are for special purposes. They are specially made or modified, equipped with fixed devices and equipment, and their main function is not to transport people or goods. Shock absorbers are usually required in the cab of special vehicles.

[0003] According to the application number: CN201920131241.8, a car shock absorber. The car shock absorber includes a cylinder body, the lower end of the cylinder body is slidably connected to the piston rod, the outer side of the cylinder body is connected to the upper spring seat, the lower end of the piston is connected to the lower spring seat, the upper spring seat and the lower spring seat have a groove body on the opposite surface, a shock absorbing spring is arranged in the groove body, and the upper spring seat and the lower spring seat are provided with a plurality of clamping mechanisms, the clamping mechanism includes a screw rod, the groove body is provided with a first threaded through hole matching the screw rod, the screw rod is threadedly connected with the first threaded through hole, a clamping plate is connected to the end of the screw rod facing the shock absorbing spring, the side wall of the groove body is also provided with a placement groove for placing the clamping plate, the other end of the screw rod is provided with a regular hexagonal groove body along the axis of the screw rod, and the groove body is also provided with a locking mechanism for locking the screw rod.

[0004] The shock absorbing effect of the automobile shock absorber in the above case is not ideal, and the spring on the shock absorber is always exposed to the outside world, which makes it easy for external dust to cover it, thus seriously affecting its service life. Utility Model Content

[0005] The utility model aims to provide a special vehicle cab automobile shock absorber to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a special vehicle cab automobile shock absorber, comprising:

[0007] Lower mounting plate;

[0008] The camshaft is an axially-coupled device for camming the piston, and the axle is actuated by a spring which is adapted to move the piston rod to the camshaft, and the axle is adapted to move the piston rod to the camshaft. The top is fixedly connected, a positioning rod is installed at the top of the inner wall of the fixed shell, a positioning groove matched with the positioning rod is opened on the top of the movable block, the bottom end of the positioning rod passes through the positioning groove and extends to the inside thereof to slide in contact with the inner wall of the positioning groove, a buffer spring is sleeved on the surface of the positioning rod, the bottom of the support plate and a movable shell is arranged on the inner wall of the protective shell, sliding grooves are opened on the left and right sides of the movable shell, and sliding blocks sliding in contact with the sliding grooves are installed on the left and right sides of the inner wall of the protective shell, and adjusting blocks are arranged on the top of the lower mounting plate and on the left and right sides of the support plate, a clamping block is installed on the side of the adjusting block close to the support plate, and a clamping groove is opened on the left and right sides of the support plate, and a side of the adjusting block away from the clamping block passes through the protective shell and extends to the outside thereof, and a fastening bolt threadedly connected with the lower mounting plate is arranged on the top of the adjusting block;

[0009] The protective disassembly and assembly mechanism is arranged on the lower mounting plate, and the protective disassembly and assembly mechanism comprises a protective shell, and the protective shell is installed on the top of the lower mounting plate.

[0010] Preferably, stabilizing blocks are installed on both left and right sides of the bottom of the upper mounting plate, and fixing bolts threadedly connected to the movable shell are provided on the stabilizing blocks.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model improves the shock absorption effect of the car shock absorber in the cab through the mutual cooperation of the support plate, cylinder, piston rod, fixed block, shock absorbing spring, connecting block, upper mounting plate, movable plate, fixed shell, movable block, positioning rod, positioning groove and buffer spring.

[0013] 2. The utility model protects the spring through the mutual cooperation of the protective shell, the movable shell, the slide groove, the slider, the adjustment block, the clamping block, the clamping groove, the fastening bolt, the stabilizing block and the fixing bolt, thereby preventing the spring from being always exposed to the outside world when in use, and later on, it is convenient to disassemble and extract the connecting shock absorbing mechanism from the protective shell for maintenance and repair, thereby improving the flexibility during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 It is a structural cross-sectional view of the front view of the utility model;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the movable shell and the card slot of the utility model.

[0017] In the figure: 1 lower mounting plate, 2 connecting shock absorbing mechanism, 21 supporting plate, 22 cylinder, 23 piston rod, 24 fixed block, 25 shock absorbing spring, 26 connecting block, 27 upper mounting plate, 28 movable plate, 29 fixed shell, 210 movable block, 211 positioning rod, 212 positioning groove, 213 buffer spring, 3 protective disassembly and assembly mechanism, 31 protective shell, 32 movable shell, 33 slide groove, 34 slider, 35 adjusting block, 36 clamping block, 37 clamping groove, 38 fastening bolt, 39 stabilizing block, 310 fixing bolt. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3A special vehicle cab automobile shock absorber comprises: a lower mounting plate 1 and a connecting shock absorbing mechanism 2, the connecting shock absorbing mechanism 2 is arranged on the lower mounting plate 1, the connecting shock absorbing mechanism 2 comprises a supporting plate 21, the supporting plate 21 is arranged on the top of the lower mounting plate 1, the bottom of the supporting plate 21 contacts with the top of the lower mounting plate 1, the top of the supporting plate 21 is fixedly connected with a cylinder 22, the inside of the cylinder 22 is provided with a piston rod 23 adapted thereto, the top of the piston rod 23 penetrates the cylinder 22 and extends to the outside thereof, the top of the piston rod 23 is fixedly connected with a fixing block 24, a shock absorbing spring 25 is arranged on the top of the supporting plate 21 and the bottom of the fixing block 24 and on the surface of the cylinder 22, the top of the fixing block 24 is fixedly connected with a connecting block 26, the connecting block 2 6 is fixedly connected with an upper mounting plate 27, a movable plate 28 is fixedly connected with the bottom of the connecting block 26 and the surface of the fixed block 24, four fixed shells 29 are fixedly connected with the bottom of the movable plate 28, a movable block 210 is slidably contacted on the inner wall of the fixed shell 29, the bottom of the movable block 210 penetrates the fixed shell 29 and extends to the outside thereof, the bottom of the movable block 210 is fixedly connected with the top of the support plate 21, a positioning rod 211 is fixedly connected with the top of the inner wall of the fixed shell 29, a positioning groove 212 matched with the positioning rod 211 is opened on the top of the movable block 210, the bottom end of the positioning rod 211 penetrates the positioning groove 212 and extends to the inside thereof and slides in contact with the inner wall of the positioning groove 212, and a buffer spring 213 is sleeved on the surface of the positioning rod 211.

[0020] Furthermore, two slots are provided at the bottom of the support plate 21, and an insert block is fixedly connected to the top of the lower mounting plate 1 and the corresponding position of the slot. The top of the insert block passes through the slot and extends to the inside to contact the inner wall of the slot. By providing the slots and the insert block, the stability of the connection between the support plate 21 and the lower mounting plate 1 is improved.

[0021] The shock absorbing effect of the shock absorber of the cab car is improved by the mutual cooperation of the support plate 21, the cylinder 22, the piston rod 23, the fixed block 24, the shock absorbing spring 25, the connecting block 26, the upper mounting plate 27, the movable plate 28, the fixed shell 29, the movable block 210, the positioning rod 211, the positioning groove 212 and the buffer spring 213.

[0022] The protective disassembly and assembly mechanism 3 is arranged on the lower mounting plate 1. The protective disassembly and assembly mechanism 3 includes a protective shell 31, which is installed on the top of the lower mounting plate 1. A movable shell 32 is arranged on the bottom of the support plate 21 and on the inner wall of the protective shell 31. The inner wall of the movable shell 32 is in sliding contact with the surface of the protective shell 31. Slide grooves 33 are arranged on the left and right sides of the movable shell 32. Slide blocks 34 in sliding contact with the slide grooves 33 are fixedly connected on the left and right sides of the inner wall of the protective shell 31. Adjustment blocks 35 are arranged on the top of the lower mounting plate 1 and on the left and right sides of the support plate 21. The side of the adjustment block 35 close to the support plate 21 is in contact with the support plate 21. The bottom of the support plate 21 is in contact with the lower mounting plate 1. The tops of the plates 1 are in contact with each other, and a clamping block 36 is fixedly connected to one side of the adjustment block 35 close to the support plate 21. A clamping slot 37 is provided on both the left and right sides of the support plate 21. A side of the clamping block 36 close to the clamping slot 37 passes through the clamping slot 37 and extends to the inside thereof and contacts with the inner wall of the clamping slot 37. A side of the adjustment block 35 away from the clamping block 36 passes through the protective shell 31 and extends to the outside thereof. A fastening bolt 38 threadedly connected to the lower mounting plate 1 is provided on the top of the adjustment block 35, and a stabilizing block 39 is fixedly connected to the left and right sides of the bottom of the upper mounting plate 27. A side of the stabilizing block 39 close to the movable shell 32 contacts with the movable shell 32, and a fixing bolt 310 threadedly connected to the movable shell 32 is provided on the stabilizing block 39.

[0023] Specifically, loosen the fixing bolt 310, then loosen the fastening bolt 38, pull the adjusting block 35, the adjusting block 35 drives the clamping block 36 to move away from the clamping slot 37, so that the clamping block 36 and the clamping slot 37 are separated, and then pull the movable plate 28 upward, the movable plate 28 drives the fixed shell 29 and the cylinder 22 to move upward through the fixed block 24, thereby driving the support plate 21 to move upward, so that the slot and the plug are separated, and the support plate 21 is pulled out of the movable shell 32 to complete the disassembly.

[0024] Through the mutual cooperation of the protective shell 31, the movable shell 32, the slide groove 33, the slider 34, the adjustment block 35, the clamping block 36, the clamping groove 37, the fastening bolt 38, the stabilizing block 39 and the fixing bolt 310, the spring is protected to avoid the spring being always exposed to the outside world when in use. In addition, it is convenient to remove the connecting shock absorbing mechanism 2 from the protective shell 31 for maintenance and repair at a later time, thereby improving the flexibility during use.

[0025] During use, when the upper mounting plate 27 is subjected to external extrusion force, the upper mounting plate 27 drives the piston rod 23 to move in the cylinder 22 through the connecting block 26, and the fixed block 24 squeezes the shock-absorbing spring 25 downward to move. The connecting block 26 drives the fixed shell 29 to move downward through the movable plate 28, and the fixed shell 29 squeezes the buffer spring 213 to move, and at the same time, the slider 34 slides in the slide groove 33, thereby achieving the shock-absorbing effect.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special vehicle cab shock absorber, characterized in that: include: Lower mounting plate (1); A connecting shock absorbing mechanism (2), wherein the connecting shock absorbing mechanism (2) is arranged on the lower mounting plate (1), and the connecting shock absorbing mechanism (2) comprises a supporting plate (21), wherein the supporting plate (21) is arranged on the top of the lower mounting plate (1), a cylinder (22) is installed on the top of the supporting plate (21), a piston rod (23) adapted thereto is arranged inside the cylinder (22), the top end of the piston rod (23) passes through the cylinder (22) and extends to the outside thereof, a fixing block (24) is installed on the top end of the piston rod (23), and the top of the supporting plate (21) and the bottom of the fixing block (24) are located on the cylinder A shock absorbing spring (25) is arranged on the surface of the fixing block (22); a connecting block (26) is installed on the top of the fixing block (24); an upper mounting plate (27) is installed on the top of the connecting block (26); a movable plate (28) is installed on the bottom of the connecting block (26) and located on the surface of the fixing block (24); four fixing shells (29) are installed on the bottom of the movable plate (28); a movable block (210) is slidably contacted on the inner wall of the fixing shell (29); the bottom of the movable block (210) penetrates the fixing shell (29) and extends to the outside thereof; the bottom of the movable block (210) is in contact with the top of the supporting plate (21). The fixed shell (29) is fixedly connected to the fixed shell (29), a positioning rod (211) is installed at the top of the inner wall of the fixed shell (29), a positioning groove (212) adapted to the positioning rod (211) is opened at the top of the movable block (210), the bottom end of the positioning rod (211) passes through the positioning groove (212) and extends to the inside thereof to slide in contact with the inner wall of the positioning groove (212), a buffer spring (213) is sleeved on the surface of the positioning rod (211), a movable shell (32) is arranged at the bottom of the support plate (21) and on the inner wall of the protective shell (31), and sliding grooves (33) are opened on the left and right sides of the movable shell (32), Slide blocks (34) that are in sliding contact with the slide groove (33) are installed on both the left and right sides of the inner wall of the protective shell (31); adjustment blocks (35) are arranged on the top of the lower mounting plate (1) and on both the left and right sides of the support plate (21); a clamping block (36) is installed on the side of the adjustment block (35) close to the support plate (21); a clamping groove (37) is provided on both the left and right sides of the support plate (21); a side of the adjustment block (35) away from the clamping block (36) penetrates the protective shell (31) and extends to the outside thereof; a fastening bolt (38) that is threadedly connected to the lower mounting plate (1) is arranged on the top of the adjustment block (35); A protective assembly and disassembly mechanism (3), wherein the protective assembly and disassembly mechanism (3) is arranged on the lower mounting plate (1), and the protective assembly and disassembly mechanism (3) comprises a protective shell (31), and the protective shell (31) is mounted on the top of the lower mounting plate (1).

2. A special vehicle cab shock absorber according to claim 1, characterized in that: Stabilizing blocks (39) are installed on both left and right sides of the bottom of the upper mounting plate (27), and fixing bolts (310) threadedly connected to the movable shell (32) are provided on the stabilizing blocks (39).

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