CN217511021U

CN217511021U - Portable electric hydraulic expander

Info

Publication number: CN217511021U
Application number: CN202122971952.6U
Authority: CN
Inventors: 马傑
Original assignee: Tianjin Hongzhan Jifeng Technology Development Co ltd
Current assignee: Tianjin Hongzhan Jifeng Technology Development Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-09-30
Anticipated expiration: 2031-11-30

Abstract

The utility model provides an electronic hydraulic pressure expander of portable belongs to the rescue equipment field, including the hydro-cylinder, protective housing and expansion portion, the hydro-cylinder sets up the one end at the protecting crust, the expansion portion is connected with the piston rod transmission of hydro-cylinder, be provided with the handle on the protecting crust, can dismantle at the tip of expansion portion and be provided with the expansion head, be equipped with the inserting groove in the expansion head, tip at the expansion portion is provided with grafting portion, grafting portion cooperatees with the inserting groove, tip at the expansion head is provided with block portion, be equipped with the block groove in block portion, it is provided with the block piece to rotate in the expansion portion, the block piece cooperatees with the block groove. The beneficial effects of the utility model are that can make the first quick installation location of expansion, consolidate its installation, through changing different expansion heads, make it be applicable to different scenes, also can change the expansion head of wearing and tearing.

Description

Portable electric hydraulic expander

Technical Field

The utility model belongs to rescue equipment field especially relates to an electronic hydraulic pressure expander of portable.

Background

When carrying out rescue and relief work, face personnel stranded, need clear away the barrier, for example expand the panel of mutually pressing the folding, make it expose the gap, the personnel of being stranded are rescued out of being convenient for, and hydraulic pressure expander also becomes one of the leading tool of rescue, and current expansion equipment, its expansion head is fixed connection mostly, and application scope is little, and difficult the change, increases the rescue cost, if the expansion head installation is not firm, also can reduce its life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide an electronic hydraulic pressure expander of portable, can make the first quick installation location of expansion, consolidate its installation, through changing different expansion heads, make it be applicable to different scenes, also can change the expansion head of wearing and tearing.

In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides an electronic hydraulic pressure expander of portable, includes hydro-cylinder, protective housing and expansion portion, the hydro-cylinder sets up the one end of protective housing, the expansion portion with the piston rod transmission of hydro-cylinder is connected be provided with the handle on the protective housing the tip of expansion portion can be dismantled and be provided with the expansion head be equipped with the inserting groove in the expansion head the tip of expansion portion is provided with inserting portion, inserting portion with the inserting groove cooperatees the tip of expansion head is provided with block portion be equipped with the block groove in the block portion rotate on the expansion portion and be provided with the block piece, the block piece with the block groove cooperatees. The expansion head and the expansion part are fixed by the clamping of the clamping block to the clamping part.

Furthermore, a rotating groove is formed in the expansion portion and comprises a first rotating groove and a second rotating groove, the clamping block is matched in the first rotating groove, and the first rotating groove is matched with the clamping groove.

Furthermore, a first connecting hole is formed in the expansion head, a second connecting hole is formed in the insertion part, and the first connecting hole is matched with the second connecting hole. The first connecting hole is connected with the second connecting hole through a screw, and fixation is achieved.

Furthermore, a rotating disc is arranged in the expansion part in a rotating mode, the clamping block is arranged on the rotating disc, a moving button is further arranged on the rotating disc, the moving button is matched in the second rotating groove, a gear is arranged at the lower end of the rotating disc, a rack is arranged on one side of the gear in a telescopic mode, and the rack is meshed with the gear. The retractable arrangement of the rack can enable the clamping block on the rotating disc to return to the initial position, namely the lower end of the first rotating groove, through the meshing with the gear.

Furthermore, a first mounting groove and a second mounting groove are sequentially arranged in the expansion portion, a sliding groove is formed in one side of the second mounting groove, the rotating groove is communicated with the first mounting groove, the side end of the sliding groove is communicated with the second mounting groove, the rotating disc is in rotating fit in the first mounting groove, the gear is in rotating fit in the second mounting groove, and the rack is in sliding fit in the sliding groove.

Furthermore, a fixing column is arranged on the inner wall of the sliding groove, a connecting column is arranged at one end of the rack, the connecting column is connected in the fixing column in a sliding mode, a spring is arranged on the connecting column, one end of the spring abuts against the fixing column, and the other end of the spring abuts against the rack. The rack can slide telescopically by the elasticity of the spring.

Furthermore, the expansion part comprises a first expansion part and a second expansion part which are arranged oppositely, a supporting seat is arranged at the end part of the piston rod of the oil cylinder, the inner side of the first expansion part and the inner side of the second expansion part are connected with the supporting seat through shafts, and the outer sides of the first expansion part and the second expansion part are hinged with the protective shell.

Furthermore, the expansion head comprises a first expansion head and a second expansion head, the first expansion head is detachably arranged at the end part of the first expansion part, and the second expansion head is detachably arranged at the end part of the second expansion part.

The utility model has the advantages and positive effects that:

1. due to the adoption of the technical scheme, the expansion heads are convenient to replace due to the disassembly arrangement, the expansion heads of different types can be replaced according to rescue sites, and the worn expansion heads can be replaced, so that the service life is prolonged.

2. Scalable slip of rack when not having the interference of external force, makes the gear automatic playback with it meshing, and the block piece is automatic to return to the block state promptly, further consolidates the connection of extension portion and expansion head, through the correspondence of block groove with first commentaries on classics groove, makes it accomplish quick location, the utility model discloses compact structure, the operation of being convenient for.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a schematic view of the connection of the expansion part of the present invention;

FIG. 3 is a view showing the structure of the expansion joint and the insertion part of the present invention;

FIG. 4 is a view of the structure of the expansion head of the present invention;

fig. 5 is a matching view of the rack and the gear of the present invention;

fig. 6 is an internal structure view of the expansion part of the present invention.

In the figure:

1. an oil cylinder; 11. a supporting base; 12. a first connecting rod; 121. a second connecting rod;

2. a handle;

3. a protective shell;

4. a first expanding portion; 41. a second expanded portion;

5. a first dilating head; 51. a second expansion head; 52. a first connection hole; 53. a fastening part; 531. a clamping groove; 54. inserting grooves; 541. inserting the combination strip;

6. a plug-in part; 61. a second connection hole; 62. a plugging groove;

7. a first rotary groove; 71. a second rotary groove;

8. a first mounting groove; 81. rotating the disc; 811. a clamping block; 812. a moving button;

9. a sliding groove; 91. a rack; 92. connecting columns; 93. fixing a column; 94. a spring; 10. a second mounting groove; 101. a connecting shaft; 102. a gear;

Detailed Description

The present invention will be further described with reference to the following examples and the accompanying drawings.

As shown in fig. 1 to 6, the embodiment provides an electronic hydraulic expander of portable, including hydro-cylinder 1, the protective housing 3, expansion portion and expansion head, one end of hydro-cylinder 1 sets up in protective housing 3, be provided with handle 2 on protective housing 3, the tip at hydro-cylinder 1 piston rod is provided with supporting seat 11, expansion portion includes relative first expansion portion 4 and the second expansion portion 41 that sets up, the inboard of first expansion portion 4 and the inboard of second expansion portion 41 are respectively through the hub connection on supporting seat 11, the outside of first expansion portion 4 is through axle swivelling joint with first connecting rod 12, the other end of first connecting rod 12 is through one side of hub connection in protective housing 3, the outside of second expansion portion 41 is through axle coupling with second connecting rod 121, the other end of second connecting rod 121 is through the opposite side of hub connection in protective housing 3. The piston rod of the oil cylinder 1 drives the supporting seat 11 to extend in, and the supporting seat 11 drives the first expansion part 4 and the second expansion part 41 to open and close.

Can dismantle at the tip of expansion portion and be provided with the expansion head, make the expansion head be convenient for change, the tip of expansion head is the acute angle, and the expansion head includes first expansion head 5 and second expansion head 51, and first expansion head 5 cooperation sets up the tip at first expansion portion 4, and second expansion head 51 cooperation sets up the tip at second expansion portion 41, and the tip of first expansion head 5 and the tip of second expansion head 51, contained angle that becomes are the acute angle.

The end part of the expansion part is provided with an inserting part 6, an inserting groove 54 is arranged in the expansion joint, the inserting part 6 is arranged in the inserting groove 54 in a matching way, in order to facilitate the sliding fit of the inserting part 6 and the inserting groove 54, inserting strips 541 are arranged at the upper end and the lower end in the inserting groove 54, and inserting grooves 62 matched with the inserting strips 541 are arranged at the upper end and the lower end of the inserting part 6.

The side end of the expansion head is provided with a clamping part 53, the clamping part 53 is provided with an arc-shaped clamping groove 531, the same side of the expansion part and the clamping groove 531 is provided with a rotating groove, when the insertion part 6 is inserted in the insertion groove 54, the rotating groove is overlapped with the clamping groove 531, the rotating groove comprises a first rotating groove 7 and a second rotating groove 71 which are concentrically arranged, the first rotating groove 7 and the second rotating groove 71 are both arc-shaped, and the first rotating groove 7 corresponds to the clamping groove 531.

The expansion part is internally provided with a first mounting groove 8 and a second mounting groove 10 from top to bottom in sequence, the upper end of the first mounting groove 8 is communicated with a first rotary groove 7 and a second rotary groove 71 respectively, the lower end of the first mounting groove is communicated with the second mounting groove 10, one side of the second mounting groove 10 is provided with a sliding groove 9, the sliding groove 9 is communicated with the second mounting groove 10, and the first mounting groove 8 and the second mounting groove 10 are both arranged concentrically with the rotary grooves.

The rotating disk 81 is rotatably provided in the first mounting groove 8, the engaging block 811 and the moving knob 812 are provided on the rotating disk 81, the engaging block 811 is fitted in the first rotary groove 7, and the moving knob 812 is fitted in the second rotary groove 71, so that the engaging block 811 is rotated into the engaging groove 531 along the first rotary groove 7 by the rotation of the rotating disk 81, thereby positioning and fixing the expansion head.

A connecting shaft 101 is provided at a lower end of the rotating plate 81, a gear 102 is provided on the connecting shaft 101, the gear 102 is rotatably provided in the second mounting groove 10, a rack 91 is telescopically provided in the sliding groove 9, the rack 91 is engaged with the gear 102, a fixed column 93 is provided on an inner wall of one end of the sliding groove 9, a connection column 92 is provided at one end of the rack 91, the connection column 92 is slidably connected in the fixed column 93, a spring 94 is provided on the connection column 92, one end of the spring 94 abuts against the rack 91, the other end abuts against the fixed column 93, and a default position of the engaging block 811 is located in the engaging groove 531 by an elastic force of the spring 94.

In order to further fix the expansion head and the expansion part, a first connecting hole 52 is arranged on the expansion head, a second connecting hole 61 corresponding to the first connecting hole 52 is arranged on the insertion part 6, and the first connecting hole 52 and the second connecting hole 61 can be connected in a threaded manner or can be connected through a pin.

The working process of the example is as follows:

when the expansion head needs to be replaced, screws in the first connecting hole 52 and the second connecting hole 61 are unscrewed, the moving button 812 is shifted downwards, the gear 102 at the lower end of the rotating disc 81 is meshed with the rack 91, the rack 91 slides towards the fixed column 93, the connecting column 91 slides into the fixed column 93, the rotating disc 81 drives the clamping block 811 to rotate, the clamping block 811 moves out of the clamping groove 531 along the first rotating groove 7, the expansion head slides outwards, and detachment is completed.

The replaced expansion head is inserted into the insertion groove 62 along the insertion strip 541, the expansion head is inserted into the insertion part 6, the clamping groove 531 coincides with the first rotation groove 7, the moving button 812 is loosened, the rack 91 is driven to slide outwards through the elastic force of the spring 94, the rack 91 is meshed with the gear 102 to drive the rotating disc 81 to rotate to the initial position, the clamping block 811 slides into the clamping groove 531 along the first rotation groove 7 to realize the positioning clamping of the expansion head and the expansion part, and then the first connecting hole 52 is in threaded connection with the second connecting hole 61 to realize the fastening.

When the obstacle needs to be expanded, the end of the expansion head is inserted into the gap, and the piston rod of the oil cylinder 1 drives the support base 11 to extend outwards, so that the first expansion part 4 and the second expansion part 41 are unfolded outwards.

The utility model has the advantages that:

the first dismantled setting of expansion head is convenient for expand the change of head, also is convenient for according to the different conditions, changes the expansion head of isostructure, and the tip of the expansion head in this embodiment is the acute angle, makes it insert to the gap easily, through the drive of hydro-cylinder 1, makes first expansion portion 4 and second expansion portion 41 expand.

The insertion strip 541 and the insertion groove 62 are matched to facilitate the positioning of the expansion head and the expansion part, so that the expansion head and the expansion part are inserted, the insertion-closed expansion head and the expansion part form a clamping groove 531 coinciding with the first rotary groove 7, the clamping block 811 is rotationally matched in the first rotary groove 7 by the arrangement of the rotary disc 81, when the clamping block 811 is matched in the clamping groove 531, the clamping of the expansion head and the expansion part is realized, the movable button 812 is rotationally matched in the second rotary groove 71, and the rotation of the clamping block 811 can be driven by shifting the movable button 812.

The rack 91 is engaged with the gear 102, so that the gear 102 also slides when rotating, and the rack 91 is telescopically arranged, so that the rack 91 drives the gear 102 to return to an original position, namely, the clamping block 811 is matched in the clamping groove 531. So that it is easy to fix and position, the first connection hole 52 and the second connection hole 61 correspond to each other, and the connection of the expansion head and the expansion part is further enhanced.

While one or more embodiments of the present invention have been described in detail, the description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A portable electric hydraulic expander, which comprises an oil cylinder (1), a protective shell (3) and an expansion part, the oil cylinder (1) is arranged at one end of the protective shell (3), the expansion part is in transmission connection with a piston rod of the oil cylinder (1), a handle (2) is arranged on the protective shell (3), it is characterized in that the end part of the expansion part is detachably provided with an expansion head, the expansion head is internally provided with a plug-in groove (54), the end part of the expansion part is provided with an inserting part (6), the inserting part (6) is matched with the inserting groove (54), an engagement part (53) is arranged at the end part of the expansion head, an engagement groove (531) is arranged on the engagement part (53), an engaging block (811) is rotatably provided on the expanding portion, and the engaging block (811) is engaged with the engaging groove (531).

2. The portable electro-hydraulic expander of claim 1, wherein: the expansion part is provided with a rotary groove, the rotary groove comprises a first rotary groove (7) and a second rotary groove (71), the clamping block (811) is matched in the first rotary groove (7), and the first rotary groove (7) is matched with the clamping groove (531).

3. The portable electro-hydraulic expander of claim 1, wherein: the expansion head is provided with a first connecting hole (52), the insertion part (6) is provided with a second connecting hole (61), and the first connecting hole (52) is matched with the second connecting hole (61).

4. The portable electro-hydraulic expander according to claim 2, wherein: the expansion part is internally and rotatably provided with a rotating disc (81), the clamping block (811) is arranged on the rotating disc (81), a moving button (812) is further arranged on the rotating disc (81), the moving button (812) is matched in the second rotating groove (71), a gear (102) is arranged at the lower end of the rotating disc (81), a rack (91) is telescopically arranged on one side of the gear (102), and the rack (91) is meshed with the gear (102).

5. The portable electro-hydraulic expander of claim 4, wherein: set gradually first mounting groove (8) and second mounting groove (10) in the expansion portion one side of second mounting groove (10) is provided with sliding tray (9), the rotating chute with first mounting groove (8) are linked together, the side of sliding tray (9) with second mounting groove (10) are linked together, rolling disc (81) normal running fit is in first mounting groove (8), gear (102) normal running fit is in second mounting groove (10), rack (91) sliding fit is in sliding tray (9).

6. The portable electro-hydraulic expander of claim 5, wherein: a fixed column (93) is arranged on the inner wall of the sliding groove (9), a connecting column (92) is arranged at one end of the rack (91), the connecting column (92) is connected in the fixed column (93) in a sliding mode, a spring (94) is arranged on the connecting column (92), one end of the spring (94) abuts against the fixed column (93), and the other end of the spring (94) abuts against the rack (91).

7. The portable electro-hydraulic expander of claim 1, wherein: expansion portion is including relative first expansion portion (4) and the second expansion portion (41) that sets up the tip of hydro-cylinder (1) piston rod is provided with supporting seat (11), first expansion portion (4) with the inboard of second expansion portion (41) all through the axle with supporting seat (11) link to each other, first expansion portion (4) with the outside of second expansion portion all with protective housing (3) are articulated mutually.

8. The portable electro-hydraulic expander of claim 7, wherein: the expansion head comprises a first expansion head (5) and a second expansion head (51), the first expansion head (5) is detachably arranged at the end part of the first expansion part (4), and the second expansion head (51) is detachably arranged at the end part of the second expansion part (41).