CN211283558U - Scissor jack for soft mud land - Google Patents
Scissor jack for soft mud land Download PDFInfo
- Publication number
- CN211283558U CN211283558U CN201921134282.9U CN201921134282U CN211283558U CN 211283558 U CN211283558 U CN 211283558U CN 201921134282 U CN201921134282 U CN 201921134282U CN 211283558 U CN211283558 U CN 211283558U
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- screw
- support
- adjusting
- scissor jack
- soft mud
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Abstract
The utility model relates to an auto repair equipment technical field discloses a scissor jack that can be used to soft mud ground, top and base including relative setting, a pair of upper bracket, a pair of lower carriage, the one end of upper bracket articulates on the top, the one end of its other end articulated lower carriage, the other end of lower carriage articulates on the base, the articulated department of upper bracket and lower carriage is equipped with the regulation pole that adjustable top goes up and down, the downside of base is equipped with the regulating box, the regulating box transversely runs through the screw rod that can vertically go up and down, the outer screw rod both ends cover of regulating box is equipped with the nut, the screw rod downside transverse separation in the regulating box is equipped with a plurality of backing sheets, the just position to the regulating box bottom side is equipped with the through-hole that can supply the backing sheet to wear out. The utility model provides a current jack when softer road surface uses, the displacement of jack jacking heavy object is little, the not high (easy problem of turning on one's side) of jacking process stability.
Description
Technical Field
The utility model relates to an auto repair equipment technical field, in particular to can be used to shear formula jack on soft mud ground.
Background
At present, the important hoisting device widely applied to heavy trucks or mobile equipment in the market for supporting the self weight of the equipment and adjusting the level of the equipment is a scissor jack which lifts a heavy object in a small stroke through the top or the bottom.
In the application process of the scissor jack, a user often finds that when the scissor jack is used on a soft road (especially for rural roads), the jack can descend by a section of displacement when jacking a heavy object, and gradually jacks the heavy object when contacting with a hard road layer, and in the process, the displacement of the jacking heavy object can be reduced, and the stability in the jacking process is not high (easy to turn over), so that the scissor jack which can be used on a soft mud land is urgently needed to be designed to solve the problems.
SUMMERY OF THE UTILITY MODEL
Based on above problem, the utility model provides a scissor jack that can be used to soft mud ground has solved current jack and when softer road surface uses, the displacement of jack jacking heavy object is little, the not high (easy problem of turning on one's side) of jacking process stability.
For solving the above technical problem, the utility model discloses a technical scheme as follows:
the utility model provides a scissor jack that can be used to soft muddy ground, top and base including relative setting, a pair of upper bracket, a pair of lower carriage, the one end of upper bracket articulates on the top, the one end of its other end articulated lower carriage, the other end of lower carriage articulates on the base, the articulated department of upper bracket and lower carriage is equipped with the regulation pole that adjustable top goes up and down, the downside of base is equipped with the regulating box, the regulating box transversely runs through has the screw rod that can vertically go up and down, the outer screw rod both ends cover of regulating box is equipped with the nut, the screw rod downside transverse interval in the regulating box is equipped with a plurality of backing sheets, the regulating box bottom side just is equipped with the through-hole that can supply the backing sheet to wear out to.
The utility model discloses a principle and effect: according to the soil condition of the soft mud land, two nuts are loosened to enable the screw rod to be lifted in the adjusting box, the adjusting screw rod is lowered to enable the support sheet on the lower side of the screw rod to penetrate out of the adjusting box through the through hole, the height of the support sheet penetrating out of the adjusting box is approximately close to the height of the soft mud land on the ground surface, the screw rod is locked through the nuts, the screw rod cannot slide relative to the adjusting box within a certain acting force range, the adjusting rod is rotated, the ejector head is contacted with a vehicle or a heavy object, a reverse acting force is applied to the base, the base forces the support sheets to be inserted into the soft mud land, when the support sheets are contacted with the hard layer on the ground surface, the vehicle or the heavy object is jacked by the ejector head, in the process, the hidden support sheet in the adjusting box is designed to enable the contact between the base and the soft mud land to be converted into the contact between the support, the effect of jacking the heavy object or vehicle fast of top is reached, and on the other hand the displacement of top relative base is unchangeable relatively or change minimum. The utility model discloses a design has solved current jack when softer road surface uses, and the displacement of jack jacking heavy object is little, the not high (easy problem of turning on one's side) of jacking process stability.
Preferably, the pair of upper brackets and the pair of lower brackets form a quadrangle, one ends of the upper brackets, which are opposite to the lower brackets, are connected through articulated shafts, and the two articulated shafts transversely penetrate through the same adjusting rod matched with the articulated shafts through threads.
Preferably, the top of the plug is serrated.
As a preferable mode, the two sides of the adjusting box are provided with lifting grooves for lifting the screw rod.
As a preferred mode, the screw rod includes first screw rod, and the one end of first screw rod articulates there is the regulating plate, and one side fixedly connected with second screw rod of first screw rod is kept away from to the regulating plate, and the regulating plate meets with the inboard of regulating box.
As a preferable mode, the length of the first screw is greater than that of the second screw, the lower side of the first screw is hinged with a plurality of supporting pieces, and the hinged positions of the supporting pieces relative to the first screw can swing transversely.
As a preferred mode, a plurality of limiting cylinders which are sleeved at the ends of the supporting pieces in a one-to-one correspondence mode are arranged at the bottom side in the adjusting box.
As a preferred mode, the support sheet is made of a metal alloy.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a design has solved current jack when softer road surface uses, and the displacement of jack jacking heavy object is little, the not high (easy problem of turning on one's side) of jacking process stability.
(2) The utility model discloses a quadrangle is enclosed into with a pair of lower carriage to a pair of upper bracket, and the articulated shaft is passed through with the one end that the lower carriage is relative to the upper bracket and is connected, and two articulated shafts transversely run through have same regulation pole rather than cooperation screw-thread fit. The adjusting rod pulls the two hinged shafts to move towards the opposite side, when the opposite ends of the two lower supports and the two upper supports are close to each other, the top rises, the adjusting rod pulls the two hinged shafts to move towards the opposite side, when the opposite ends of the two lower supports and the two upper supports are far away from each other, the top lowers, and the lifting of the top is controlled through the adjusting rod in the process, so that the purpose of lifting the vehicle or the heavy object is achieved.
(3) The utility model discloses an upside of top is the cockscomb structure. When top and vehicle or heavy object contact, the contact surface of top and heavy object or vehicle is the sawtooth surface, has increased the frictional force between top and vehicle or the heavy object, has increased the utility model discloses stability to vehicle or heavy object jacking.
(4) The utility model discloses a both sides of regulating box are equipped with the lift groove that can supply the screw rod to go up and down. The design of the lifting groove realizes the up-and-down lifting of the screw rod, and the purpose of lifting the support sheet is achieved.
(5) The utility model discloses a screw rod includes first screw rod, and the one end of first screw rod articulates there is the regulating plate, and one side fixedly connected with second screw rod of first screw rod is kept away from to the regulating plate, and the regulating plate meets with the inboard of regulating box. The axes of the first screw rod and the second screw rod are on the same straight line, the adjusting plate cannot fall off from the inside of the adjusting box, and the first screw rod is hinged with the adjusting plate, so that the first screw rod can be inclined.
(6) The utility model discloses a length of first screw rod is greater than the second screw rod, and the downside of first screw rod articulates there are a plurality of backing sheets, and but the articulated department lateral hunting of the relative first screw rod of backing sheet. Articulated a plurality of backing sheets on first screw rod, when first screw rod slope, when the backing sheet can rationally run through the through-hole, a plurality of backup pad downside form the inclined plane, are convenient for the utility model discloses use (mainly pointing soil stereoplasm layer) on gentler soft mud road surface.
(7) The utility model discloses a bottom side in the regulating box is equipped with a plurality of one-to-one cover and establishes the spacing section of thick bamboo at a plurality of backing sheet ends. The design of a spacing section of thick bamboo is avoided the backing sheet to rock about when the regulating box, when the screw rod goes up and down, the backing sheet can not pass through the through-hole smoothly, reduces the utility model discloses an operability.
(8) The utility model discloses a backing sheet is made by metal alloy. The alloy is a substance with metal characteristics, which is synthesized by two or more metals and metals or nonmetals through a certain method, is generally obtained by melting into uniform liquid and solidifying, and has the advantages of high hardness, good heat resistance, corrosion resistance and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
the labels in the figure are: 1-base, 2-lower support, 3-upper support, 4-top, 5-adjusting rod, 6-adjusting box, 7-screw, 701-first screw, 702-second screw, 8-limiting cylinder, 9-through hole, 10-supporting sheet, 11-adjusting plate and 12-lifting groove.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. Embodiments of the present invention include, but are not limited to, the following examples.
Example 1:
referring to fig. 1 and 2, the scissor jack capable of being used for soft mud comprises a top head 4 and a base 1 which are arranged oppositely, a pair of upper supports 3 and a pair of lower supports 2, wherein one end of each upper support 3 is hinged to the top head 4, the other end of each upper support is hinged to one end of each lower support 2, the other end of each lower support 2 is hinged to the base 1, an adjusting rod 5 capable of adjusting the lifting of the top head 4 is arranged at the hinged position of each upper support 3 and the corresponding lower support 2, an adjusting box 6 is arranged on the lower side of the base 1, a screw 7 capable of vertically lifting transversely penetrates through the adjusting box 6, nuts are sleeved at two ends of the screw 7 outside the adjusting box 6, a plurality of support sheets 10 are arranged on the lower side of the screw 7 inside the adjusting box 6 at transverse intervals, and through holes 9 capable of allowing the support sheets 10 to penetrate through.
The utility model discloses a principle and effect: according to the soil condition of the soft mud land, two nuts are loosened to enable the screw 7 to be lifted in the adjusting box 6, the adjusting screw 7 is lowered to enable the support sheet 10 on the lower side of the screw 7 to penetrate out of the adjusting box 6 through the through hole 9, the height of the support sheet 10 penetrating out of the adjusting box 6 is approximately close to the height of the soft mud land on the ground surface, the screw 7 is locked through the nut, the screw 7 cannot slide relative to the adjusting box 6 within a certain acting force range, the adjusting rod 5 is rotated, the top head 4 is contacted with a vehicle or a heavy object, a reverse acting force is applied to the base 1, the base 1 forces the plurality of support sheets 10 to be inserted into the soft mud land, when the support sheets 10 are contacted with a hard layer on the ground surface, the top head 4 lifts the vehicle or the heavy object, in the process, the contact between the base 1 and the soft mud land is converted into the contact between the support sheets 10 and the soft mud land, on one hand, the supporting sheet 10 can quickly sink into soft mud and contact with a hard layer on the ground surface to achieve the effect of quickly jacking a heavy object or a vehicle by the top head 4, and on the other hand, the displacement of the top head 4 relative to the base 1 is relatively unchanged or has little change. The utility model discloses a design has solved current jack when softer road surface uses, and the displacement of jack jacking heavy object is little, the not high (easy problem of turning on one's side) of jacking process stability.
Example 2:
the embodiment is further optimized on the basis of the embodiment 1, and specifically comprises the following steps:
a pair of upper bracket 3 encloses into the quadrangle with a pair of lower carriage 2, and upper bracket 3 passes through the articulated shaft with the relative one end of lower carriage 2 and is connected, and two articulated shafts transversely run through have same rather than cooperation screw-thread fit's regulation pole 5. The adjusting rod 5 pulls the two hinged shafts to move towards the opposite side, when the opposite ends of the two lower supports 2 and the two upper supports 3 are close to each other, the top 4 rises, the adjusting rod 5 pulls the two hinged shafts to move towards the opposite side, when the opposite ends of the two lower supports 2 and the two upper supports 3 are far away from each other, the top 4 lowers, and the lifting of the top 4 is controlled by the adjusting rod 5 in the process, so that the purpose of lifting the vehicle or the heavy object is achieved.
In a preferred embodiment, the top of the plug 4 is serrated. When top 4 and vehicle or heavy object contact, the contact surface of top 4 and heavy object or vehicle is the sawtooth surface, has increased the frictional force between top 4 and vehicle or the heavy object the utility model discloses stability to vehicle or heavy object jacking.
In a preferable mode, the adjusting box 6 is provided with lifting grooves 12 on both sides for lifting the screw 7. The lifting groove 12 is designed to realize the up-and-down lifting of the screw 7, so as to achieve the purpose of lifting the support piece 10.
The other parts of this embodiment are the same as embodiment 1, and are not described herein again.
Example 3:
the embodiment is further optimized on the basis of the embodiment 1, and specifically comprises the following steps:
the screw 7 comprises a first screw 701, an adjusting plate 11 is hinged to one end of the first screw 701, a second screw 702 is fixedly connected to one side, away from the first screw 701, of the adjusting plate 11, and the adjusting plate 11 is connected with the inner side of the adjusting box 6. The axes of the first screw 701 and the second screw 702 are on the same straight line, the adjusting plate 11 cannot fall off from the inside of the adjusting box 6, and the first screw 701 is hinged with the adjusting plate 11, so that the first screw 701 can be inclined.
Preferably, the length of the first screw 701 is greater than that of the second screw 702, a plurality of support plates 10 are hinged to the lower side of the first screw 701, and the support plates 10 can swing transversely relative to the hinged position of the first screw 701. Articulated a plurality of backing sheets 10 on first screw rod 701, when first screw rod 701 slopes, when backing sheet 10 can rationally run through-hole 9, a plurality of backup pad downside form the inclined plane, be convenient for the utility model discloses use (mainly pointing soil hard layer) on gentle soft mud road surface.
As a preferable mode, a plurality of limiting cylinders 8 are arranged at the bottom side in the adjusting box 6 and are sleeved at the ends of the plurality of supporting pieces 10 in a one-to-one correspondence manner. The design of a spacing section of thick bamboo 8 avoids backing sheet 10 to rock about when adjusting box 6 is interior, and when screw rod 7 goes up and down, backing sheet 10 can not pass through-hole 9 smoothly, reduces the utility model discloses an operability.
As a preferred mode, the support sheet 10 is made of a metal alloy. The alloy is a substance with metal characteristics, which is synthesized by two or more metals and metals or nonmetals through a certain method, is generally obtained by melting into uniform liquid and solidifying, and has the advantages of high hardness, good heat resistance, corrosion resistance and the like.
The other parts of this embodiment are the same as embodiment 1, and are not described herein again.
The embodiment of the present invention is the above. The specific parameters in the above embodiments and examples are only for the purpose of clearly showing the verification process of the present invention, and are not used to limit the patent protection scope of the present invention, which is still subject to the claims, and all the equivalent structural changes made by using the contents of the specification and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The scissor jack comprises a top (4) and a base (1) which are arranged oppositely, a pair of upper supports (3) and a pair of lower supports (2), wherein one end of each upper support (3) is hinged to the top (4), the other end of each upper support is hinged to one end of each lower support (2), the other end of each lower support (2) is hinged to the base (1), an adjusting rod (5) capable of adjusting the lifting of the top (4) is arranged at the hinged position of each upper support (3) and the corresponding lower support (2), the scissor jack is characterized in that an adjusting box (6) is arranged on the lower side of the base (1), a screw rod (7) capable of vertically lifting transversely penetrates through the adjusting box (6), nuts are sleeved at two ends of the screw rod (7) outside the adjusting box (6), a plurality of support sheets (10) are arranged on the lower side of the screw rod (7) inside the adjusting box (6) at transverse intervals, and through holes (9) for the support sheets (10) to penetrate through are arranged at the positions, right below the support sheets (10 ).
2. The scissor jack for soft mud ground as claimed in claim 1, wherein a pair of said upper brackets (3) and a pair of said lower brackets (2) enclose a quadrilateral, the ends of said upper brackets (3) opposite to said lower brackets (2) are connected by means of articulated shafts, and said articulated shafts are transversely penetrated by an adjusting rod (5) which is engaged with the same screw thread.
3. Scissor jack for soft mud, according to claim 1, characterized in that the upper side of the top head (4) is serrated.
4. The scissor jack for soft mud ground as claimed in claim 1, wherein the adjusting box (6) is provided with lifting grooves (12) on both sides for lifting the screw (7).
5. The scissor jack for soft mud ground according to claim 1, wherein the screw (7) comprises a first screw (701), an adjusting plate (11) is hinged to one end of the first screw (701), a second screw (702) is fixedly connected to one side of the adjusting plate (11) far away from the first screw (701), and the adjusting plate (11) is connected to the inner side of the adjusting box (6).
6. The scissor jack for soft mud ground as claimed in claim 5, wherein the first screw (701) has a length greater than the second screw (702), the lower side of the first screw (701) is hinged with a plurality of support plates (10), and the support plates (10) are laterally swingable relative to the hinged position of the first screw (701).
7. The scissor jack for soft mud ground as claimed in claim 5, wherein the bottom side of the adjusting box (6) is provided with a plurality of limiting cylinders (8) which are sleeved on the ends of the plurality of supporting sheets (10) in a one-to-one correspondence manner.
8. Scissor jack for soft mud ground according to claim 5, characterized in that the support sheet (10) is made of a metal alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921134282.9U CN211283558U (en) | 2019-07-16 | 2019-07-16 | Scissor jack for soft mud land |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921134282.9U CN211283558U (en) | 2019-07-16 | 2019-07-16 | Scissor jack for soft mud land |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211283558U true CN211283558U (en) | 2020-08-18 |
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ID=72019043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921134282.9U Expired - Fee Related CN211283558U (en) | 2019-07-16 | 2019-07-16 | Scissor jack for soft mud land |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211283558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279828A (en) * | 2021-06-24 | 2021-08-20 | 武汉大学 | Low-pressure steam exhaust structure of nuclear turbine with shaft seal supporting and adjusting device |
-
2019
- 2019-07-16 CN CN201921134282.9U patent/CN211283558U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279828A (en) * | 2021-06-24 | 2021-08-20 | 武汉大学 | Low-pressure steam exhaust structure of nuclear turbine with shaft seal supporting and adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 Termination date: 20210716 |