CN214749389U - Mechanical metering chest expander - Google Patents
Mechanical metering chest expander Download PDFInfo
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- CN214749389U CN214749389U CN202120070614.2U CN202120070614U CN214749389U CN 214749389 U CN214749389 U CN 214749389U CN 202120070614 U CN202120070614 U CN 202120070614U CN 214749389 U CN214749389 U CN 214749389U
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- chest expander
- rod
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- opening
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Abstract
The utility model discloses a mechanics measurement chest expander, including measurement chest expander main part, the right side bottom of measurement chest expander main part is equipped with sliding connection piece, sliding connection piece's right side is equipped with three group's pulleys, sliding connection piece's top is equipped with the connecting rod, the right side of connecting rod is equipped with the lifter plate, the left side of lifter plate be equipped with pulley assorted spout, the bottom of lifter plate is equipped with places the couple, the top of lifter plate is equipped with the fixture block, the right side of measurement chest expander main part is equipped with the opening, opening inner chamber top be equipped with fixture block assorted draw-in groove, the left side top of lifter plate is equipped with the gangbar, the bottom left side of gangbar is equipped with the rotor plate, and the device simple structure can use for a long time.
Description
Technical Field
The utility model belongs to the technical field of mechanics measurement, specifically be a mechanics measurement chest expander.
Background
Often can use mechanics measurement chest expander in daily life or scientific experiment in order to measure the pulling force, and current mechanics measurement chest expander often adopts the spring to stretch to thereby draw the pulling force size through surveying the spring at the internal stretching length of tensile in-process and pulling force direct ratio, this kind of measurement mode often can be after long-time the use, and the spring elasticity worsens, leads to mechanics measurement chest expander to damage, is not convenient for continue to use, for this reason, we provide a mechanics measurement chest expander.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mechanics measurement chest expander to solve the fragile problem of chest expander that prior art exists.
In order to achieve the above purpose, the utility model provides a mechanical metering chest expander, which comprises a main body of the metering chest expander, wherein the bottom end of the right side of the main body of the metering chest expander is provided with a sliding connection block, the right side of the sliding connection block is provided with three groups of pulleys, the top end of the sliding connection block is provided with a connection rod, the right side of the connection rod is provided with a lifting plate, the left side of the lifting plate is provided with a chute matched with the pulleys, the bottom end of the lifting plate is provided with a placing hook, the top end of the lifting plate is provided with a clamping block, the right side of the main body of the metering chest expander is provided with an opening, the top end of the inner cavity of the opening is provided with a clamping groove matched with the clamping block, the top end of the left side of the lifting plate is provided with a linkage rod, the left side of the bottom end of the linkage rod is provided with a rotating plate, the bottom end of the rotating plate is provided with a fixed rod, and the joint of the fixed rod and the rotating plate is provided with a rotating shaft, and a transmission rod is arranged on the left side of the top end of the rotating plate, and a pressure detector is arranged at the top end of the transmission rod.
Preferably, the left side of lifter plate is equipped with the opening, the spout is located the opening inner chamber, just the right side of spout is equipped with the return spring, both ends all are equipped with the rubber connecting block about the opening inner chamber, the left side of lifter plate is equipped with connecting grooves.
Preferably, the top of connecting rod is equipped with the connection inserted bar, the bottom of connecting rod is equipped with the telescopic link, the bottom and the sliding connection piece junction of telescopic link are equipped with the connection pivot, the top of telescopic link is equipped with the limiting plate.
Preferably, the bottom end of the connecting rod is provided with an opening, and the diameter of the opening is larger than the diameter of the telescopic rod.
Preferably, the left side and the right side of the limiting plate are provided with rubber strips.
Preferably, two groups of inclined supporting rods are arranged on the left side and the right side of the fixing rod.
The utility model has the advantages that:
1. adopt the rotor plate, rotate through the rotor plate follow lifter plate up-and-down motion in-process, drive transfer line extrusion pressure detector, carry out pressure detection, simple structure that this kind of measuring method used can be convenient for in long-time use, and internals appear damaging.
2. Adopt the telescopic link, the telescopic link follows the rotor plate up-and-down motion, can avoid telescopic link and rotor plate fixed connection to lead to the unable rotation of rotor plate through connecting the pivot, and can avoid lifter plate and connecting rod disconnection through the telescopic link.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the structure of the elevating plate of the present invention;
fig. 3 is a schematic view of the structure of the connecting rod of the present invention.
In the figure: the device comprises a measuring chest expander main body 1, a sliding connection block 2, a pulley 3, a connecting rod 4, a lifting plate 5, a sliding groove 6, a placing hook 7, a clamping groove 8, a clamping block 9, a linkage rod 10, a rotating plate 11, a fixing rod 12, a rotating shaft 13, a transmission rod 14, a pressure detector 15, a return spring 16, a rubber connection block 17, a connection groove 18, a telescopic rod 19, a connection inserted rod 20, a limiting plate 21 and a connection rotating shaft 22.
Detailed Description
The technical solution provided by the present invention is clearly and completely described below with reference to the embodiments and the accompanying drawings.
Referring to fig. 1, the present invention provides a technical solution: a mechanical metering chest expander comprises a metering chest expander main body 1, a sliding connecting block 2 is arranged at the bottom end of the right side of the metering chest expander main body 1, three groups of pulleys 3 are arranged on the right side of the sliding connecting block 2, a connecting rod 4 is arranged at the top end of the sliding connecting block 2, a lifting plate 5 is arranged on the right side of the connecting rod 4, a sliding chute 6 matched with the pulleys 3 is arranged on the left side of the lifting plate 5, a placing hook 7 is arranged at the bottom end of the lifting plate 5, a clamping block 9 is arranged at the top end of the lifting plate 5, an opening is arranged on the right side of the metering chest expander main body 1, a clamping groove 8 matched with the clamping block 9 is arranged at the top end of an inner cavity of the opening, a linkage rod 10 is arranged at the top end of the left side of the lifting plate 5, a rotating plate 11 is arranged at the bottom end left side of the linkage rod 10, a fixing rod 12 is arranged at the bottom end of the rotating plate 11, a rotating shaft 13 is arranged at the joint of the fixing rod 12 and the rotating plate 11, a transmission rod 14 is arranged at the top end of the transmission rod 14, a pressure detector 15 is arranged at the top end of the transmission rod 14, the placing hook 7 is pulled to move downwards to drive the lifting plate 5 to move downwards, at the moment, the pulley 3 slides in the sliding groove 6, the rotating plate 11 is driven by the linkage rod 10 to rotate through the rotating shaft 13, the transmission rod 14 is driven to move upwards, and the pressure detector 15 is extruded to detect the tension.
Referring to fig. 2, an opening is formed in the left side of the lifting plate 5, the sliding groove 6 is located in the opening inner cavity, a return spring 16 is arranged on the right side of the sliding groove 6, rubber connecting blocks 17 are arranged at the upper end and the lower end of the opening inner cavity, a connecting groove 18 is formed in the left side of the lifting plate 5, the sliding groove 6 is extruded by the return spring 16, a left-right moving space is provided for the sliding groove 6, and the situation that the pulley 3 is extruded between the sliding groove 6 and the sliding connecting block 2 and cannot move up and down in the rotating process of the rotating plate 11 is avoided.
Referring to fig. 3, a connecting rod 20 is arranged at the top end of the connecting rod 4, the diameter of the connecting rod 20 is matched with the diameter of the connecting groove 18, a telescopic rod 19 is arranged at the bottom end of the connecting rod 4, a connecting rotating shaft 22 is arranged at the joint of the bottom end of the telescopic rod 19 and the sliding connecting block 2, a limiting plate 21 is arranged at the top end of the telescopic rod 19, the connecting groove 18 is connected through the connecting rod 20, the telescopic rod 19 moves up and down along with the rotating plate 11, and the phenomenon that the rotating plate 11 cannot rotate due to the fact that the telescopic rod 19 is fixedly connected with the rotating plate 11 through the connecting rotating shaft 22 can be avoided.
Referring to fig. 3, the bottom end of the connecting rod 4 is provided with an opening, and the diameter of the opening is larger than the diameter of the telescopic rod 19, so as to prevent the telescopic rod 19 from rotating along with the rotating plate 11.
Referring to fig. 3, the left and right sides of the limiting plate 21 are provided with rubber strips, the limiting plate 21 can prevent the telescopic rod 19 from extending out of the inner cavity of the connecting rod 4, and the rubber strips can prevent the limiting plate 21 from rubbing the side wall of the inner cavity of the connecting rod 4 during the up-and-down movement of the telescopic rod 19.
Referring to fig. 1, two sets of diagonal braces are disposed on the left and right sides of the fixing rod 12, and the fixing rod 12 can be prevented from bending during long-term use.
The working principle is as follows: when the device is used, the placing hook 7 is pulled to move downwards to drive the lifting plate 5 to move downwards, at the moment, the pulley 3 slides in the sliding groove 6, the rotating plate 11 is driven by the linkage rod 10 to rotate through the rotating shaft 13, the transmission rod 14 is driven to move upwards, the pressure detector 15 is extruded, and tension detection is carried out.
Claims (6)
1. The utility model provides a mechanics measurement chest expander, includes measurement chest expander main part (1), its characterized in that: the measuring chest expander is characterized in that a sliding connecting block (2) is arranged at the bottom end of the right side of the measuring chest expander main body (1), three groups of pulleys (3) are arranged on the right side of the sliding connecting block (2), a connecting rod (4) is arranged at the top end of the sliding connecting block (2), a lifting plate (5) is arranged on the right side of the connecting rod (4), a sliding chute (6) matched with the pulleys (3) is arranged on the left side of the lifting plate (5), a placing hook (7) is arranged at the bottom end of the lifting plate (5), a clamping block (9) is arranged at the top end of the lifting plate (5), an opening is arranged on the right side of the measuring chest expander main body (1), a clamping groove (8) matched with the clamping block (9) is arranged at the top end of an inner cavity of the opening, a linkage rod (10) is arranged at the top end of the left side of the lifting plate (5), a rotating plate (11) is arranged on the left side of the bottom end of the linkage rod (10), and a fixing rod (12) is arranged at the bottom end of the rotating plate (11), the device is characterized in that a rotating shaft (13) is arranged at the joint of the fixed rod (12) and the rotating plate (11), a transmission rod (14) is arranged on the left side of the top end of the rotating plate (11), and a pressure detector (15) is arranged at the top end of the transmission rod (14).
2. A mechanical metering chest expander as claimed in claim 1, wherein: the left side of lifter plate (5) is equipped with the opening, spout (6) are located the opening inner chamber, just the right side of spout (6) is equipped with return spring (16), both ends all are equipped with rubber connecting block (17) about the opening inner chamber, the left side of lifter plate (5) is equipped with connecting groove (18).
3. A mechanical metering chest expander as claimed in claim 1, wherein: the top of connecting rod (4) is equipped with connects inserted bar (20), the bottom of connecting rod (4) is equipped with telescopic link (19), the bottom of telescopic link (19) is equipped with sliding connection piece (2) junction and connects pivot (22), the top of telescopic link (19) is equipped with limiting plate (21).
4. A mechanical metering chest expander as claimed in claim 3 wherein: the bottom of connecting rod (4) is equipped with the opening, just opening diameter is greater than the diameter size of telescopic link (19).
5. A mechanical metering chest expander as claimed in claim 3 wherein: the left side and the right side of the limiting plate (21) are provided with rubber strips.
6. A mechanical metering chest expander as claimed in claim 1, wherein: two groups of inclined supporting rods are arranged on the left side and the right side of the fixing rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120070614.2U CN214749389U (en) | 2021-01-12 | 2021-01-12 | Mechanical metering chest expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120070614.2U CN214749389U (en) | 2021-01-12 | 2021-01-12 | Mechanical metering chest expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214749389U true CN214749389U (en) | 2021-11-16 |
Family
ID=78639087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120070614.2U Active CN214749389U (en) | 2021-01-12 | 2021-01-12 | Mechanical metering chest expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214749389U (en) |
-
2021
- 2021-01-12 CN CN202120070614.2U patent/CN214749389U/en active Active
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