CN203903891U - Worm gear type jack - Google Patents

Worm gear type jack Download PDF

Info

Publication number
CN203903891U
CN203903891U CN201420320834.6U CN201420320834U CN203903891U CN 203903891 U CN203903891 U CN 203903891U CN 201420320834 U CN201420320834 U CN 201420320834U CN 203903891 U CN203903891 U CN 203903891U
Authority
CN
China
Prior art keywords
worm
gear
bevel gear
shaft
worm gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201420320834.6U
Other languages
Chinese (zh)
Inventor
胡俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Institute of Trade and Commerce
Original Assignee
Suzhou Institute of Trade and Commerce
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Institute of Trade and Commerce filed Critical Suzhou Institute of Trade and Commerce
Priority to CN201420320834.6U priority Critical patent/CN203903891U/en
Application granted granted Critical
Publication of CN203903891U publication Critical patent/CN203903891U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to jacks, in particular to a worm gear type jack. The worm gear type jack comprises a box body, a worm, a left worm gear, a right worm gear, a driving bevel gear, a driving shaft, a hand-cranking spanner, two transmission rods and an ejection block. The hand-cranking spanner is connected with the driving shaft, the driving shaft is connected with the driving bevel gear, and the driving bevel gear is in transmission connected with cone teeth on the worm. The worm is in transmission connection with the left worm and the right worm. One end of the transmission rod is in rotatable connection with the ejection block, and the other end of the transmission rod is in rotatable connection with the left worm gear or the right worm gear. The worm, the left worm gear, the right worm gear, the driving bevel gear and the driving shaft are arranged in the box body, and the worm is connected with the box body through a worm shaft. Compared with the prior art, the worm gear type jack is simple in structure and low in production cost, and also has a self-locking function.

Description

A kind of worm-gear type jack
Technical field
The utility model relates to a kind of jack, particularly a kind of worm-gear type jack.
Background technology
Jack is that one rigid top is lifted part as equipment, the light little weight-lifting equipment of jacking weight in stroke by top bracket or bottom claw.But the structure of current jack is generally more complicated, productive costs is higher.
Utility model content
The utility model object is to provide a kind of worm-gear type jack, generally more complicated to solve the structure of jack of the prior art, the technical matters that productive costs is higher.
The utility model object is achieved through the following technical solutions:
A kind of worm-gear type jack, comprise casing, worm screw, left worm gear, right worm gear, drive bevel gear, imput shaft, hand spanner, two drive links and jacking block, described hand spanner is connected with described imput shaft, described imput shaft is connected with described drive bevel gear, cone tooth on described drive bevel gear and described worm screw is in transmission connection, described worm screw and described left worm gear, described right worm drive connects, one end of described drive link and described jacking block are rotatably connected, the other end and described left worm gear or described right worm gear are rotatably connected, described worm screw, described left worm gear, described right worm gear, described drive bevel gear and described imput shaft are arranged in described casing, described worm screw is connected with described casing by worm shaft.
Preferably, also comprise asessory shaft and auxiliary finishing bevel gear cuter, described asessory shaft is connected with described auxiliary finishing bevel gear cuter, and the cone tooth on described auxiliary finishing bevel gear cuter and described worm screw is in transmission connection, and described asessory shaft can be connected with described hand spanner.
Preferably, described casing upper end is provided with and can holds the through hole that described drive link stretches out.
Preferably, also comprise limit body, described jacking block is arranged in the spacing hole of described limit body.
A kind of worm-gear type jack, comprise casing, worm screw, left worm gear, right worm gear, drive bevel gear, imput shaft, hand spanner, two drive links and jacking block, described hand spanner is connected with described imput shaft, described imput shaft is connected with described drive bevel gear, cone tooth on described drive bevel gear and described worm screw is in transmission connection, described worm screw and described left worm gear, described right worm drive connects, one end of described drive link and described jacking block are rotatably connected, the other end and described left worm gear or described right worm gear are rotatably connected, described worm screw, described left worm gear, described right worm gear, described drive bevel gear and described imput shaft are arranged in described casing, described worm screw is connected with described casing by worm shaft, described worm-gear type jack also comprises asessory shaft and auxiliary finishing bevel gear cuter, and described asessory shaft is connected with described auxiliary finishing bevel gear cuter, and the cone tooth on described auxiliary finishing bevel gear cuter and described worm screw is in transmission connection, and described asessory shaft can be connected with described hand spanner, described casing upper end is provided with and can holds the through hole that described drive link stretches out, described worm-gear type jack also comprises limit body, and described jacking block is arranged in the spacing hole of described limit body.
Compared with prior art, the utility model has following beneficial effect:
Worm-gear type jack structure of the present utility model is simple, and productive costs is low, also has auto-lock function.
Brief description of the drawings
Fig. 1 is the structural representation of worm-gear type jack of the present utility model.
Detailed description of the invention
Describe the utility model in detail below in conjunction with drawings and Examples.
Refer to Fig. 1, worm-gear type jack of the present utility model, comprise casing 50, worm screw 30, left worm gear 20, right worm gear 40, drive bevel gear 91, imput shaft 90, hand spanner 60, two drive links 70 and jacking block 100, hand spanner 60 removably connects with imput shaft 90, imput shaft 90 is fixedly connected with drive bevel gear 91, drive bevel gear 91 is in transmission connection with the cone tooth on worm screw 30, worm screw 30 and left worm gear 20, right worm gear 40 is in transmission connection, one end of drive link 70 and jacking block 100 are rotatably connected, the other end and left worm gear 20 or right worm gear 40 are rotatably connected, worm screw 30, left worm gear 20, right worm gear 40, drive bevel gear 91 and imput shaft 90 are arranged in casing 50, worm screw 30 is connected with casing 50 by worm shaft 10.Casing 50 upper ends are provided with and can hold the through hole that drive link 70 stretches out.
In this example, worm-gear type jack also can comprise asessory shaft 80 and auxiliary finishing bevel gear cuter 81, and asessory shaft 80 is fixedly connected with auxiliary finishing bevel gear cuter 81, and auxiliary finishing bevel gear cuter 81 is in transmission connection with the cone tooth on worm screw 30, and asessory shaft 80 can be connected with hand spanner 60.Asessory shaft 80 and auxiliary finishing bevel gear cuter 81 are set can be made also can drive jacking block 100 jack-up in another direction.
In this example, also comprise limit body 200, jacking block 100 is arranged in the spacing hole of limit body 200, and jacking block 100 can only be moved up and down, and can not front and back and sway.
When use, first worm-gear type jack is placed in to the bottom surface of object to be jacked up, the bottom surface butt of jacking block 100 and object to be jacked up, fixes the position of limit body 200, and jacking block 100 is arranged in the spacing hole of limit body 200, rotate hand spanner 60, drive drive bevel gear 91 to rotate by imput shaft 90, and then drive worm screw 30 to rotate, worm screw 30 drives left worm gear 20 and right worm gear 40 to rotate dorsad simultaneously, and then drive jacking block 100 upward movements by drive link 70, thereby by object jack-up to be jacked up.In the time object to be jacked up will being put down, the hand spanner 60 of counter-rotation.
When needs are in the time that other direction drives jacking block 100 to rise, hand spanner 60 is connected with asessory shaft 80, rotate hand spanner 60, be with dynamic auxiliary finishing bevel gear cuter 81 to rotate by asessory shaft 80, and then drive worm screw 30 to rotate, worm screw 30 drives left worm gear 20 and right worm gear 40 to rotate dorsad simultaneously, and then drives jacking block 100 upward movements by drive link 70, thereby by object jack-up to be jacked up.
Worm-gear type jack structure of the present utility model is simple, and productive costs is low, also has auto-lock function.
Disclosed is above only several specific embodiments of the application, but the application is not limited thereto, and the changes that any person skilled in the art can think of, all should drop in the application's protection domain.

Claims (5)

1. a worm-gear type jack, it is characterized in that, comprise casing, worm screw, left worm gear, right worm gear, drive bevel gear, imput shaft, hand spanner, two drive links and jacking block, described hand spanner is connected with described imput shaft, described imput shaft is connected with described drive bevel gear, cone tooth on described drive bevel gear and described worm screw is in transmission connection, described worm screw and described left worm gear, described right worm drive connects, one end of described drive link and described jacking block are rotatably connected, the other end and described left worm gear or described right worm gear are rotatably connected, described worm screw, described left worm gear, described right worm gear, described drive bevel gear and described imput shaft are arranged in described casing, described worm screw is connected with described casing by worm shaft.
2. worm-gear type jack as claimed in claim 1, it is characterized in that, also comprise asessory shaft and auxiliary finishing bevel gear cuter, described asessory shaft is connected with described auxiliary finishing bevel gear cuter, cone tooth on described auxiliary finishing bevel gear cuter and described worm screw is in transmission connection, and described asessory shaft can be connected with described hand spanner.
3. worm-gear type jack as claimed in claim 1, is characterized in that, described casing upper end is provided with and can holds the through hole that described drive link stretches out.
4. worm-gear type jack as claimed in claim 1, is characterized in that, also comprises limit body, and described jacking block is arranged in the spacing hole of described limit body.
5. a worm-gear type jack, it is characterized in that, comprise casing, worm screw, left worm gear, right worm gear, drive bevel gear, imput shaft, hand spanner, two drive links and jacking block, described hand spanner is connected with described imput shaft, described imput shaft is connected with described drive bevel gear, cone tooth on described drive bevel gear and described worm screw is in transmission connection, described worm screw and described left worm gear, described right worm drive connects, one end of described drive link and described jacking block are rotatably connected, the other end and described left worm gear or described right worm gear are rotatably connected, described worm screw, described left worm gear, described right worm gear, described drive bevel gear and described imput shaft are arranged in described casing, described worm screw is connected with described casing by worm shaft, described worm-gear type jack also comprises asessory shaft and auxiliary finishing bevel gear cuter, and described asessory shaft is connected with described auxiliary finishing bevel gear cuter, and the cone tooth on described auxiliary finishing bevel gear cuter and described worm screw is in transmission connection, and described asessory shaft can be connected with described hand spanner, described casing upper end is provided with and can holds the through hole that described drive link stretches out, described worm-gear type jack also comprises limit body, and described jacking block is arranged in the spacing hole of described limit body.
CN201420320834.6U 2014-06-16 2014-06-16 Worm gear type jack Withdrawn - After Issue CN203903891U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420320834.6U CN203903891U (en) 2014-06-16 2014-06-16 Worm gear type jack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420320834.6U CN203903891U (en) 2014-06-16 2014-06-16 Worm gear type jack

Publications (1)

Publication Number Publication Date
CN203903891U true CN203903891U (en) 2014-10-29

Family

ID=51778179

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420320834.6U Withdrawn - After Issue CN203903891U (en) 2014-06-16 2014-06-16 Worm gear type jack

Country Status (1)

Country Link
CN (1) CN203903891U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104030188A (en) * 2014-06-16 2014-09-10 苏州经贸职业技术学院 Worm gear type jack
CN106629483A (en) * 2017-03-21 2017-05-10 中国五冶集团有限公司 Air pipe mounting bracket

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104030188A (en) * 2014-06-16 2014-09-10 苏州经贸职业技术学院 Worm gear type jack
CN104030188B (en) * 2014-06-16 2016-04-13 苏州经贸职业技术学院 A kind of worm-gear type jack
CN106629483A (en) * 2017-03-21 2017-05-10 中国五冶集团有限公司 Air pipe mounting bracket

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20141029

Effective date of abandoning: 20160413

C25 Abandonment of patent right or utility model to avoid double patenting