CN209489723U - A kind of continuously variable transmission mechanism rack of excellent in stability - Google Patents

Abstract

The utility model discloses a kind of continuously variable transmission mechanism racks of excellent in stability, including support frame, the upper end outer surface of the support frame is equipped with sub- Gree cover board, and the upper end outer surface of sub- Gree cover board is fixedly installed with fixed pedestal, close to the outer surface of fixed pedestal inserted with six groups of limit snibs on the inside of the Asia Gree cover board, the upper end outer surface of the fixed pedestal is fixedly installed with stepless transmission, the lower external face of the support frame is fixedly installed with four groups of fixed supporting legs, and it is reinforced and is connected by support rod between two groups of fixed supporting leg, the lower end of the fixed supporting leg is movably installed with movable pulley, and a side external surface of fixed supporting leg is movably installed with lifting support foot；The utility model can effectively increase stability of the gear rack in moving process by the setting of limit snib and lifting support foot, avoid speed changer from rollover phenomenon occur, prevent rack from occurring offset phenomena in teaching process, easy to use.

Description

A kind of continuously variable transmission mechanism rack of excellent in stability

Technical field

The utility model belongs to teaching equipment field, is related to a kind of teaching bench, the nothing of specifically a kind of excellent in stability Grade speed changer mechanism rack.

Background technique

The teaching bench is a kind of practice-training teaching tool being fixed on stepless transmission on rack, and user passes through observation Stepless transmission on the teaching bench can more get information about the operation logic of the stepless transmission, stepless transmission Assembly is for the teaching aid of classroom than cumbersome, it has not been convenient to which teachers' instruction carries, by the way that stepless transmission is fixed on rack On, moving operation can be carried out convenient for the low equipment of user, facilitate and carry out principle and Integrated Teaching in kind, rack not only band It gives student more intuitive component cognition, student can also be allowed to be easier to understand transmission principle, motivated students' interest in learning, thus Achieve the purpose that improve the quality of teaching；

But when in use there is also certain drawbacks, traditional gear rack does not have auxiliary existing gear rack Fixed structure is helped, stepless transmission itself has certain volume and weight, during rack carries out mobile, variable speed Device stressing influence is easy to appear the phenomenon that inclination rollover, has certain security implication, and traditional gear rack is being taught During learning demonstration, influenced by external force, so that rack is easy to appear mobile phenomenon, gear rack can not be in use and shifting Structure conversion operation is carried out in dynamic process, is brought some inconvenience to user, in order to solve drawbacks described above, is now provided one kind Solution.

Utility model content

The purpose of this utility model is to provide a kind of continuously variable transmission mechanism racks of excellent in stability.

The purpose of this utility model can be achieved through the following technical solutions:

A kind of continuously variable transmission mechanism rack of excellent in stability, including support frame, outside the upper end of the support frame Surface is equipped with sub- Gree cover board, and the upper end outer surface of sub- Gree cover board is fixedly installed with fixed pedestal, the Asia Gree lid Close to the outer surface of fixed pedestal inserted with six groups of limit snibs on the inside of plate, the upper end outer surface of the fixed pedestal is fixedly mounted There is stepless transmission, the lower external face of the support frame is fixedly installed with four groups of fixed supporting legs, and between two groups of fixed supporting leg It is reinforced and is connected by support rod, the lower end of the fixed supporting leg is movably installed with movable pulley, and a side external surface of fixed supporting leg It is movably installed with lifting support foot, a side external surface of the support frame is fixedly installed with push and pull bar, under the lifting support foot End outer surface is fixedly installed with anti-skidding heelpiece, and goes up and down and be fixedly connected between support foot and fixed supporting leg by fixed card buckle, described The upper end outer surface of fixed card buckle is fixedly installed with spring catch, and the upper end outer surface of the limit snib is fixedly installed with hexagonal spiral shell Bolt, and the lower end outer surface for limiting snib is fixedly installed with screwed plug, the outer surface of the screwed plug is socketed close to upper position There is rubber washer.

Further, the overall structure of the fixed supporting leg is oblong hollow-core construction, and table in the side of fixed supporting leg Face offers sliding groove.

Further, the cross-sectional structure of the lifting support foot is ladder structure of right angle, and goes up and down the longitudinal movement of support foot Range is five centimetres of 5 to five point, is fixedly connected between lifting support foot and the spring catch by attachment cap.

Further, the outer surface fixing sleeve of the push and pull bar is connected to Anti-slip cover pipe, and push and pull bar and support frame it Between be welded and fixed by connecting tube.

Further, installation is bolted between the support frame and sub- Gree cover board, under the fixed card buckle Card slot is offered on the inside of portion.

Further, it is flexibly connected between the fixed supporting leg and movable pulley by bearing, the fixed supporting leg and support Fixed form between bar is welded and fixed.

The utility model has the beneficial effects that the utility model limits snib by setting, in user to the gear When rack carries out moving operation, multiple groups can be limited the surface that snib is tightly attached to fixed pedestal by user, utilize hexagonal Sleeve rotates hex bolts, so that the screwed plug of limit snib is inserted into the inside of sub- Gree cover board, to the bottom of stepless transmission The fixed effect of limit is played, rubber washer can promote the stability of screwed plug, prevent spiral shell during screwed plug is inserted into There is loose phenomenon during shaking in line bolt, can be mobile in rack to avoid stepless transmission using the setting of limit snib During occur shake rollover phenomenon, promote safety when its movement, by setting go up and down support foot, user using should When gear rack carries out demonstration operation, user can trample downwards lifting support foot, so that lifting support foot is anti-skidding Heelpiece close proximity to ground, fixed card buckle play fixed function to the lifting support foot after movement, can prevent speed change using lifting support foot There is offset phenomena in teaching process in mechanism rack, only needed when mobile it is secondary trample lifting support foot, utilize spring catch to rise and rise Support foot is dropped, the flexible conversion in mobile and fixed operation is allowed to, enables the use of equipment more convenient.

Detailed description of the invention

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below with reference to the accompanying drawings.

Fig. 1 is the utility model structure diagram；

Fig. 2 is the sectional structure chart of the utility model lifting support foot；

Fig. 3 is the overall structure figure of the utility model limit snib.

In figure: 1, support rod；2, movable pulley；3, support foot is gone up and down；4, fixed supporting leg；5, sub- Gree cover board；6, snib is limited； 7, stepless transmission；8, fixed pedestal；9, push and pull bar；10, support frame；11, anti-skidding heelpiece；12, spring catch；13, fixing card Button；14, hex bolts；15, rubber washer；16, screwed plug.

Specific embodiment

As shown in Figure 1-3, a kind of continuously variable transmission mechanism rack of excellent in stability, including support frame 10, support The upper end outer surface of frame 10 is equipped with sub- Gree cover board 5, and the upper end outer surface of sub- Gree cover board 5 is fixedly installed with fixed pedestal 8, sub- 5 inside of Gree cover board is close to the outer surface of fixed pedestal 8 inserted with six groups of limit snibs 6, the upper end appearance of fixed pedestal 8 Face is fixedly installed with stepless transmission 7, and the lower external face of support frame 10 is fixedly installed with four groups of fixed supporting legs 4, and fixed branch Connection is reinforced by support rod 1 between 4 two groups of leg, the lower end of fixed supporting leg 4 is movably installed with movable pulley 2, and fixed supporting leg 4 A side external surface be movably installed with lifting support foot 3, a side external surface of support frame 10 is fixedly installed with push and pull bar 9, goes up and down The lower end outer surface of support foot 3 is fixedly installed with anti-skidding heelpiece 11, and goes up and down and pass through fixed card buckle between support foot 3 and fixed supporting leg 4 13 are fixedly connected, and the upper end outer surface of fixed card buckle 13 is fixedly installed with spring catch 12, and the upper end outer surface of limit snib 6 is fixed Hex bolts 14 is installed, and the lower end outer surface for limiting snib 6 is fixedly installed with screwed plug 16, the outer surface of screwed plug 16 is leaned on Nearly upper position is socketed with rubber washer 15.

Further, the overall structure of fixed supporting leg 4 is oblong hollow-core construction, and the side inner surface of fixed supporting leg 4 Sliding groove is offered, the design of hollow structure can reduce the overall weight of fixed supporting leg 4, carry out moving operation convenient for it.

Further, the cross-sectional structure for going up and down support foot 3 is ladder structure of right angle, and goes up and down the longitudinal movement model of support foot 3 Enclosing is five centimetres of 5 to five point, goes up and down and is fixedly connected between support foot 3 and spring catch 12 by attachment cap.

Further, the outer surface fixing sleeve of push and pull bar 9 is connected to Anti-slip cover pipe, and push and pull bar 9 and support frame 10 it Between be welded and fixed by connecting tube, connecting tube plays the role of being auxiliarily fixed to the installation of push and pull bar 9.

Further, installation, the lower part of fixed card buckle 13 are bolted between support frame 10 and sub- Gree cover board 5 Inside offers card slot, and sub- Gree cover board 5, as transparent configuration, carry out observation operation to equipment convenient for user.

Further, be flexibly connected between fixed supporting leg 4 and movable pulley 2 by bearing, fixed supporting leg 4 and support rod 1 it Between fixed form be welded and fixed, bearing allows movable pulley 2 to carry out rotation process.

A kind of continuously variable transmission mechanism rack of excellent in stability, when the device is in use, user will be after dismantling Stepless transmission is placed on sub- Gree cover board, and the model MB02 of stepless transmission, the stepless transmission is in the utility model In only have the function of teaching demonstration, user can more be got information about stepless by observing the stepless transmission after dismantling The working principle and drive mechanism of speed changer, fixed pedestal are mounted on the bottom of stepless transmission, to the variable speed after dismantling Device plays fixed effect, and user can make the teaching bench in movable pulley by the push and pull bar of promotion support frame The lower position that carries out of effect is mobile, enables its moving operation more convenient, sub- Gree cover board plays entire teaching with stepless transmission Main fixed function.

The utility model by setting limit snib, user to the gear rack carry out moving operation when It waits, multiple groups can be limited the surface that snib is tightly attached to fixed pedestal by user, hex bolts is rotated using Hexagonal jacket, so that The screwed plug for limiting snib is inserted into the inside of sub- Gree cover board, plays the fixed effect of limit, rubber to the bottom of stepless transmission Rubber gasket can promote the stability of screwed plug, prevent screwed plug from occurring during shaking during screwed plug is inserted into Loose phenomenon shaking phenomenon can occur during rack is mobile to avoid stepless transmission using the setting of limit snib, Safety when its movement is promoted, support foot is gone up and down by setting, carries out demonstration operation using the gear rack in user When, user can trample downwards lifting support foot, so that the anti-skidding heelpiece close proximity to ground of lifting support foot, fixed card buckle is to shifting Lifting support foot after dynamic plays fixed function, only needed when mobile it is secondary trample lifting support foot, rise lifting support foot using spring catch, Allow to the flexible conversion in mobile and fixed operation, enables the use of equipment more convenient.

Above content is only to the utility model structure example and explanation, the technology people of affiliated the art Member makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from reality With novel structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.

Claims (6)

1. a kind of continuously variable transmission mechanism rack of excellent in stability, which is characterized in that including support frame (10), the branch The upper end outer surface of support frame (10) is equipped with sub- Gree cover board (5), and the upper end outer surface of sub- Gree cover board (5) is fixedly installed with Fixed pedestal (8), the outer surface of Asia Gree cover board (5) inside close fixed pedestal (8) is inserted with six groups of limit snibs (6), the upper end outer surface of the fixed pedestal (8) is fixedly installed with stepless transmission (7), outside the lower part of the support frame (10) Surface is fixedly installed with four groups of fixed supporting legs (4), and reinforces connection by support rod (1) between (4) two groups of fixed supporting leg, described The lower end of fixed supporting leg (4) is movably installed with movable pulley (2), and a side external surface of fixed supporting leg (4) is movably installed with lifting One side external surface of support foot (3), the support frame (10) is fixedly installed with push and pull bar (9), the lower end of lifting support foot (3) Outer surface is fixedly installed with anti-skidding heelpiece (11), and is gone up and down solid by fixed card buckle (13) between support foot (3) and fixed supporting leg (4) Fixed connection, the upper end outer surface of the fixed card buckle (13) are fixedly installed with spring catch (12), the upper end of limit snib (6) Outer surface is fixedly installed with hex bolts (14), and the lower end outer surface for limiting snib (6) is fixedly installed with screwed plug (16), institute The outer surface for stating screwed plug (16) is socketed with rubber washer (15) close to upper position.

2. a kind of continuously variable transmission mechanism rack of excellent in stability according to claim 1, which is characterized in that institute The overall structure for stating fixed supporting leg (4) is oblong hollow-core construction, and the side inner surface of fixed supporting leg (4) offers sliding Slot.

3. a kind of continuously variable transmission mechanism rack of excellent in stability according to claim 1, which is characterized in that institute The cross-sectional structure for stating lifting support foot (3) is ladder structure of right angle, and the longitudinal movement range for going up and down support foot (3) is 5 to five point It five centimetres, is fixedly connected between the lifting support foot (3) and spring catch (12) by attachment cap.

4. a kind of continuously variable transmission mechanism rack of excellent in stability according to claim 1, which is characterized in that institute The outer surface fixing sleeve for stating push and pull bar (9) is connected to Anti-slip cover pipe, and passes through company between push and pull bar (9) and support frame (10) Adapter tube is welded and fixed.

5. a kind of continuously variable transmission mechanism rack of excellent in stability according to claim 1, which is characterized in that institute It states and is bolted installation between support frame (10) and sub- Gree cover board (5), the lower inside of the fixed card buckle (13) is opened Equipped with card slot.

6. a kind of continuously variable transmission mechanism rack of excellent in stability according to claim 1, which is characterized in that institute It states and is flexibly connected between fixed supporting leg (4) and movable pulley (2) by bearing, between the fixed supporting leg (4) and support rod (1) Fixed form is welded and fixed.