CN210687506U

CN210687506U - Jack increases appurtenance

Info

Publication number: CN210687506U
Application number: CN201921637901.6U
Authority: CN
Inventors: 马宁; 张登斌
Original assignee: Lin'an Dingsheng Building Material Co ltd
Current assignee: Hangzhou Dingsheng building materials Co.,Ltd.
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-05
Anticipated expiration: 2029-09-27

Abstract

The utility model relates to a jack heightening auxiliary tool, which comprises a base, a lead screw vertically arranged on the base and a stress plate spirally connected on the lead screw, wherein a jack is arranged on the stress plate; a support is vertically and fixedly connected to the upper side face of the stress plate, a support rod is connected to the center of the support in a sliding mode, and the support rod is vertically arranged at the upper end of a piston rod of the jack; the base is a hollow structure, the upper side panel of the base is provided with an adjusting hole and penetrates through a rotating handle, the handle is connected with the screw rod through a transmission mechanism arranged inside the base, the transmission mechanism comprises a stress gear arranged at the lower end part of the screw rod and a force application gear arranged at the end part of the handle, and the stress gear is meshed with the force application gear. The utility model discloses the effect that improves the jack height has.

Description

Jack increases appurtenance

Technical Field

The utility model belongs to the technical field of the jack technique and specifically relates to a jack increases appurtenance.

Background

The jack is light and small lifting equipment which takes a rigid jacking piece as a working device and jacks a heavy object through a top bracket or a bottom supporting claw within a small stroke. The jack is mainly used for the departments of factories, mines, transportation and the like as vehicle repair, other lifting, supporting and the like. The structure is light, firm, flexible and reliable, and can be carried and operated by one person.

The existing jacks are various in types, the lifting and moving strokes are all short, and if the situation that the height is insufficient is met, objects such as wood blocks and bricks are generally adopted to be heightened, so that the method is dangerous. Because the surfaces of the wood blocks and the bricks are uneven, the jack and a bedding object below the jack are easy to turn over when stressed, and huge damage is caused to a human body.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a jack increases appurtenance, and it has the advantage of reliably improving the jack height.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a jack increases appurtenance which characterized in that: the device comprises a base, at least three lead screws vertically arranged on the base and a stress plate in threaded connection with the lead screws; and the stress plate is provided with a jack.

By adopting the technical scheme, the jack is placed on the stress plate, so that the height of the jack can be increased; be provided with three at least lead screws on the base perpendicularly, can guarantee the utility model discloses an compressive strength and basic atress are balanced.

The utility model discloses further set up to: the vertical rigid coupling of side has the support on the atress board, the upper end rigid coupling of support has the leading truck, sliding connection has the bracing piece in the leading truck, the coaxial setting of bracing piece is in the upper end of jack piston rod.

By adopting the technical scheme, the upper end of the piston rod of the jack is provided with the supporting rod which is used as the extension part of the piston rod of the jack, so that the height of the piston rod of the jack can be increased, and the jack is suitable for various scenes; the support rod is connected in the guide frame in a sliding manner, so that the support rod can be ensured to be always vertical to the piston rod of the jack, the accuracy of a stress point is ensured, and the deviation is prevented.

The utility model discloses further set up to: the lower end face of the supporting rod is provided with a threaded hole, and the threaded hole is connected to a threaded rod arranged at the top end of a piston rod of the jack in a threaded mode.

Through adopting above-mentioned technical scheme, in the use, threaded rod thread fixed connection in bracing piece and the piston rod can make the bracing piece remain connected with the piston rod of jack throughout, avoids taking place to sideslip and take place danger in the atress process.

The utility model discloses further set up to: the upper end of the supporting rod is provided with a circular abutting joint head, and the area of the upper surface of the abutting joint head is larger than the sectional area of the supporting rod.

By adopting the technical scheme, the upper end part of the supporting rod needs to be abutted against the lifted weight to bear force, and the abutting head can increase the force bearing area between the supporting rod and the weight, so that the pressure of a force bearing point on the weight is reduced, and the weight is kept intact.

The utility model discloses further set up to: the base is hollow structure, the lower extreme of lead screw is connected with control lead screw pivoted drive mechanism, drive mechanism is connected with the handle, drive mechanism sets up inside the base.

Through adopting above-mentioned technical scheme, rotate the handle, through on transmission of its connection will the pivoted power transmit the lead screw to drive the lead screw and rotate, atress board and lead screw threaded connection, and lead screw quantity is three at least, can prevent that the atress board from rotating, so can adjust the height of atress board.

The utility model discloses further set up to: the transmission mechanism comprises a stressed gear and a force application gear, the stressed gear is arranged at the lower end of the screw rod, and the force application gear is arranged at the end of the handle and is meshed with the stressed gear.

Through adopting above-mentioned technical scheme, application of force gear simultaneously with set up the atress gear engagement at the lead screw lower extreme, rotate the handle, application of force gear rotates to drive atress gear synchronous rotation simultaneously, and then drive lead screw synchronous rotation simultaneously, can reach the effect that makes the atress board steadily reciprocate like this and do not take place crooked.

The utility model discloses further set up to: the upper side surface of the base is vertically provided with a hollow pipe, and the lower end of the screw rod penetrates through the hollow pipe to rotate and abut against the inside of the base.

Through adopting above-mentioned technical scheme, the hollow tube sets up on the base perpendicularly, can make the lead screw perpendicular on the base all the time, avoids taking place the incline.

The utility model discloses further set up to: the surface of the lead screw passing through the hollow pipe and the part below the hollow pipe is a smooth surface.

Through adopting above-mentioned technical scheme, the frictional force of lead screw and hollow tube can be reduced in setting up of plain noodles, makes the lead screw more smooth and easy when rotating.

To sum up, the utility model discloses a beneficial technological effect does:

1. the utility model has the advantages that the jack is placed on the stress plate through the matching of the base, the lead screw and the stress plate, so that the height of the jack can be improved;

2. the transmission mechanism in the base is connected with the handle, so that the height of the stress plate can be adjusted;

3. the base is provided with a hollow pipe and a lead screw penetrates through the hollow pipe, so that the lead screw can be ensured to be always vertical to the base.

4. The support on the stress plate is connected with the supporting rod in a sliding mode, the supporting height of the jack can be further improved, and the jack can be used independently according to different using scenes.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the internal structure of the base of the present invention.

Fig. 3 is a schematic structural view of the bracket and the support rod of the present invention.

Reference numerals: 1. the device comprises a base, 12, a handle, 13, a transmission mechanism, 131, a stress gear, 132, a force application gear, 14, a hollow pipe, 2, a lead screw, 3, a stress plate, 4, a support, 41, a support rod, 411, a threaded hole, 412, a butting head, 42 and a guide frame.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a jack increases appurtenance, including base 1, the perpendicular lead screw 2 that sets up on base 1 and set up screw hole 411 and the atress board 3 of threaded connection on lead screw 2, the jack is placed on atress board 3.

The base 1 is circular in shape, the upper panel of the base is vertically connected with three hollow pipes 14 communicated with the interior of the base 1, the lower end of the lead screw 2 penetrates through the hollow pipes 14 and is rotated to abut against the interior of the base 1, and the position of the lower end of the lead screw can be fixed in the using process, so that the deviation is avoided; the hollow tube 14 is arranged, so that the lead screw 2 can be ensured to be always vertical to the base 1, and the condition that the stress point is not accurate due to deflection is avoided.

The distances between the hollow tubes 14 are equal, so that the distances between the stressed lead screws 2 are equal. When the base is pressed by a heavy object in the using process, the stress position of the base 1 is uniform, the stability is higher, the deviation caused by uneven stress is avoided, and the danger in the using process is reduced.

The surface of the part of the screw rod 2 which penetrates through the hollow pipe 14 and below is a smooth surface, so that the friction force between the screw rod 2 and the hollow pipe 14 can be reduced, and the screw rod 2 can rotate more smoothly.

Referring to fig. 2, the circular base 1 is hollow, a transmission mechanism 13 is arranged in the circular base 1, the transmission mechanism 13 includes a force receiving gear 131 arranged at the lower end of the screw rod 2 and a force applying gear 132 positioned in the middle of the base 1, the force receiving gear 131 is meshed with the force applying gear 132, the middle of the force applying gear 132 is connected with a handle 12 through an adjusting hole key arranged on the upper panel of the base 1, and the handle 12 is arranged on the upper end face of the outside of the base 1. The handle 12 is rotated to rotate the force application gear 132, so as to drive the force application gear 131 to synchronously rotate at the same time, and further drive the screw rod 2 to synchronously rotate at the same time, so that the force application plate 3 can stably move up and down without being inclined and clamped.

The upper side of the stress plate 3 is vertically welded with three supports 4 which are distributed at equal intervals, the heights of the supports 4 are equal, the upper ends of the supports 4 are horizontally and fixedly connected with a circular guide frame 42, the center of the guide frame 42 is provided with a circular hole, the support rod 41 is connected in the circular hole on the guide frame 42 in a sliding manner, the support rod 41 can be guaranteed to be always vertical to the piston rod of the jack, and therefore the accuracy of a stress point is guaranteed.

Referring to fig. 3, the lower end surface of the supporting rod 41 is provided with a threaded hole 411 and is screwed on a threaded rod at the top end of a piston rod of the jack, so that the length of the piston rod is further prolonged on the basis of heightening the body of the jack, and the stress plate 3 and the bracket 4 above the stress plate can be used alone by matching with the jack according to the limitation of the use height, so that the utility model has more use scenes; the support rod 41 is fixedly connected with the threaded rod in the piston rod in a threaded manner, so that the support rod 41 and the piston rod of the jack can be always in threaded fastening connection, and danger caused by sideslip in the stress process is avoided.

The upper end of the supporting rod 41 is provided with a circular abutting head 412, the area of the upper surface of the abutting head 412 is larger than the sectional area of the supporting rod 41, the upper end of the supporting rod 41 needs to be abutted with a lifted weight to be stressed, and the abutting head 412 can increase the stressed area between the supporting rod 41 and the weight, so that the pressure of stress points on the weight is reduced, and the weight is kept intact.

The implementation principle of the embodiment is as follows: before use, the supporting rod 41 is screwed and fastened at the upper end of a threaded rod in a piston rod of the jack, so that the length of the piston rod of the jack is prolonged, and the support 4 and the guide frame 42 above the stress plate 3 can guide the supporting rod 41 and prevent the supporting rod from being inclined in the lifting process; the handle 12 is rotated, the transmission mechanism 13 rotates to operate and drives the lead screws 2 to synchronously rotate at the same time, the three lead screws 2 are distributed in parallel and at equal intervals, and the stress plate 3 in threaded connection on the lead screws 2 can keep stable ascending and descending, so that the height of the stress plate 3 can be adjusted according to actual conditions.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a jack increases appurtenance which characterized in that: comprises a base (1), at least three lead screws (2) vertically arranged on the base (1) and a stress plate (3) in threaded connection with the lead screws (2); and a jack is arranged on the stress plate (3).

2. A jack heightening assisting tool as defined in claim 1, wherein: the vertical rigid coupling of side has support (4) on atress board (3), the upper end rigid coupling of support (4) has leading truck (42), sliding connection has bracing piece (41) in leading truck (42), the coaxial setting of bracing piece (41) is in the upper end of jack piston rod.

3. A jack heightening assisting tool as defined in claim 2, wherein: the lower end face of the supporting rod (41) is provided with a threaded hole (411) which is in threaded connection with a threaded rod arranged at the top end of a piston rod of the jack.

4. A jack heightening assisting tool as defined in claim 2, wherein: an abutting head (412) is arranged at the upper end of the supporting rod (41), and the area of the upper surface of the abutting head (412) is larger than the sectional area of the supporting rod (41).

5. A jack heightening assisting tool as defined in claim 1, wherein: the base (1) is of a hollow structure, the lower end of the lead screw (2) is connected with a transmission mechanism (13) for controlling the lead screw (2) to rotate, the transmission mechanism (13) is connected with a handle (12), and the transmission mechanism (13) is arranged inside the base (1).

6. A jack heightening assisting tool as claimed in claim 5, wherein: the transmission mechanism (13) comprises a force-bearing gear (131) and a force-applying gear (132), the force-bearing gear (131) is arranged at the lower end part of the lead screw (2), and the force-applying gear (132) is arranged at the end part of the handle (12) and is meshed with the force-bearing gear (131).

7. A jack heightening assisting tool as defined in claim 1, wherein: the upper side surface of the base (1) is vertically provided with a hollow tube (14), and the lower end of the lead screw (2) penetrates through the hollow tube (14) to be rotatably abutted to the inside of the base (1).

8. A jack heightening assisting tool as claimed in claim 7, wherein: the partial surface of the screw rod (2) penetrating through the hollow tube (14) is a smooth surface.