CN216082804U

CN216082804U - Tachymeter support and tachymeter

Info

Publication number: CN216082804U
Application number: CN202121931558.3U
Authority: CN
Inventors: 易辉; 王国庆; 余晨
Original assignee: Beijing Pengjing Taike Technology Co ltd
Current assignee: Beijing Pengjing Taike Technology Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-03-18
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a speedometer support and a speedometer, wherein the speedometer support comprises: the device comprises a base, a fixed upright post, a rotating upright post and an adjusting component, wherein the base is connected with the surface of an object to be measured; the first end of the fixed upright post is connected with the base; the first end of the rotating upright post is rotationally connected with the second end of the fixed upright post; the adjusting component is respectively connected with the fixed upright post and the rotating upright post and is used for keeping the rotating upright post and the fixed upright post fixed when the rotating upright post rotates to a preset angle relative to the fixed upright post. According to the velocimeter support and the velocimeter provided by the utility model, the rotating upright post is rotatably connected with the fixed upright post, and when the rotating upright post rotates to a preset angle relative to the fixed upright post, the rotating upright post and the fixed upright post are kept fixed by using the adjusting assembly, so that the velocimeter support has good universality; the base is directly connected with the surface of the object to be tested, so that the whole operation and installation of the velocimeter are facilitated.

Description

Tachymeter support and tachymeter

Technical Field

The utility model relates to the technical field of equipment for testing door closing speed, in particular to a speedometer support and a speedometer.

Background

In the manufacturing industries of automobiles, elevators and the like, the closing speed of doors or elevator doors is an important quality index, and in order to meet the requirements of ergonomic design, light door closing and safe use, designers need to accurately master the critical value of the closing speed of the doors or the elevator doors, and meanwhile, the closing speed needs to be controlled within a human-borne range, so that the closing speed needs to be tested by related equipment.

At present, the equipment of the common test closing door speed in the market mainly has following problem in practicality and convenience:

(1) different types of test instruments or test components are required to be configured for testing the closing speed of different types of doors such as sliding doors or sector doors.

(2) The test instrument is inconvenient to operate.

(3) In order to fix the test instrument on the vehicle during use, a complicated mounting operation is required.

Therefore, a tachymeter support and a tachymeter which have strong universality and are convenient to operate and install need to be researched urgently.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the speedometer support and the speedometer, and solves the problems that the speedometer in the prior art is poor in universality and inconvenient to operate and install.

One aspect of the present invention provides a velocimeter support, comprising:

the base is connected with the surface of the object to be measured in speed;

the first end of the fixed upright post is connected with the base;

the first end of the rotating upright post is rotatably connected with the second end of the fixed upright post;

and the adjusting assembly is connected with the fixed stand column and the rotating stand column respectively and used for enabling the rotating stand column to be fixed with the fixed stand column when the rotating stand column rotates to a preset angle relative to the fixed stand column.

Furthermore, the adjusting assembly comprises a limiting groove, a positioning hole and a positioning part, and a plurality of limiting grooves are formed in the end part of the second end of the fixed upright post; the first end part of the rotating upright post is provided with the positioning hole along the length direction; one end of the positioning part is connected with the positioning hole, and the other end of the positioning part moves along the length direction of the positioning hole and can be connected with the limiting groove in a matched mode.

Furthermore, the positioning part comprises a positioning ball, and the positioning ball is movably connected with the positioning hole; the positioning ball moves along the length direction of the positioning hole along with the rotation of the rotating upright post, and moves towards the limiting groove and is matched and connected with the limiting groove when moving to the position opposite to the limiting groove along with the rotating upright post in the positioning hole, so that the rotating upright post and the fixed upright post are kept fixed.

Furthermore, the positioning part further comprises an elastic connecting piece, the first end of the elastic connecting piece is connected with the end part, far away from the fixed upright post, of the positioning hole, and the second end of the elastic connecting piece is connected with the positioning ball.

Furthermore, a connecting piece is arranged in the middle of the end part of the second end of the fixed upright post and is rotationally connected with the rotating upright post; the profile of the connecting piece is in a semicircular arc shape, and a plurality of limiting grooves are uniformly formed along the peripheral side of the connecting piece.

Further, the base includes sucking disc and air pressing rod, the air pressing rod is established the sucking disc upper surface, and with the sucking disc intercommunication is used for discharging air in the sucking disc.

According to the velocimeter support provided by the utility model, the rotating upright post is rotatably connected with the fixed upright post, and when the rotating upright post rotates to a preset angle relative to the fixed upright post, the rotating upright post and the fixed upright post are kept fixed by using the adjusting assembly, so that the velocimeter support has good universality; the base is directly connected with the surface of the object to be tested, so that the whole operation and installation of the velocimeter are facilitated.

Another aspect of the present invention provides a velocimeter, comprising:

the first speed measuring device comprises the speedometer support, a support plate and a sensor, wherein the support plate is connected with the second end of the rotating upright post, and the support plate is used for being connected with the sensor;

the second speed measuring device comprises the speedometer support and the blocking device, the blocking device is connected with the second end of the rotating upright post, and the blocking device generates pulses through the sensor to measure the speed.

Further, the velocimeter further comprises a handheld device, wherein the handheld device is in wired connection with the first velocimeter and is used for controlling the velocimeter to be turned on and off, pulse detection, speed calculation, storage and data information display.

Furthermore, the handheld device comprises a panel, a protection shell, a main board and a protection device, wherein the protection shell comprises an upper protection shell and a lower protection shell, and the upper protection shell and the lower protection shell are detachably connected; the mainboard is established go up the protective housing with between the protective housing down, the panel is established on the protective housing surface, the protector cover is established handheld device except that all the other surfaces outside the panel.

Furthermore, a charging port is further formed in one end of the protection shell.

The velocimeter provided by the utility model comprises a first velocimeter and a second velocimeter, wherein the speed of an object to be tested is calculated by utilizing a blocking device connected with one velocimeter support in the first velocimeter and the pulse time and distance generated by a sensor connected with the other velocimeter support in the second velocimeter.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

fig. 1 is an overall structure diagram of a first speed measuring device and a second speed measuring device;

FIG. 2 is a block diagram of a velocimeter stand;

FIG. 3 is a block diagram of a stationary mast;

FIG. 4 is a view of the structure of the rotating post;

FIG. 5 is a view showing the connection of a fixed column and a rotating column;

FIG. 6 is an external view of the handheld device;

fig. 7 is an exploded view of the structure of the handheld device.

In the figure:

10-base, 11-suction cup, 12-air pressing rod;

20-fixed upright posts, 21-limiting grooves, 22-connecting pieces and 23-connecting shafts;

30-rotating upright column, 31-positioning ball, 32-connecting arm, 33-elastic connecting piece and 34-positioning hole;

40-a first speed measuring device, 41-a support plate, 42-a sensor;

50-a second speed measuring device, 51-a blocking device;

60-handheld device, 61-panel, 62-protective housing, 63-upper protective housing, 64-lower protective housing, 65-main board, 66-guard, 67-charging port.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The utility model provides a velocimeter support, which is shown in figure 2 and comprises a base 10, a fixed upright post 20, a rotating upright post 30 and an adjusting component; the base 10 is connected with the surface of an object to be measured in speed; the first end of the fixed upright post 20 is connected with the base 10; the first end of the rotating upright post 30 is rotatably connected with the second end of the fixed upright post 20; the adjusting assembly is connected to the fixed column 20 and the rotating column 30 respectively, and is used for keeping the rotating column 30 and the fixed column 20 fixed when the rotating column 30 rotates to a preset angle relative to the fixed column 20.

According to the velocimeter support provided by the utility model, the rotating upright column 30 is rotatably connected with the fixed upright column 20, and when the rotating upright column 30 rotates to a preset angle relative to the fixed upright column 20, the rotating upright column 30 and the fixed upright column 20 are kept fixed by using the adjusting assembly, so that the velocimeter support has good universality; the base 10 is directly connected with the surface of the object to be tested, so that the whole operation and installation of the velocimeter are facilitated.

Further, referring to fig. 2 and 3, the adjusting assembly includes a limiting groove 21, a positioning hole 34 and a positioning portion, and the second end of the fixing column 20 is provided with a plurality of limiting grooves 21; a positioning hole 34 is formed in the first end part of the rotating upright column 30 along the length direction; one end of the positioning portion is connected with the positioning hole 34, and the other end of the positioning portion moves along the length direction of the positioning hole 34 and can be connected with the limiting groove 21 in a matching manner. In the present embodiment, the positioning portion is movably connected to the positioning hole 34 and can move along the length direction of the positioning hole 34, and when the positioning portion reaches the first end of the rotating column 30 and approaches the limit groove, the positioning portion is engaged with the limit groove, so that the adjusting assembly fixes the angle between the rotating column 30 and the adjusting assembly, and the adjusting assembly locks the position.

Further, the positioning part comprises a positioning ball 31, and the positioning ball 31 is movably connected with the positioning hole 34; the positioning ball 31 moves along the length direction of the positioning hole 34 along with the rotation of the rotating column 30, and when the positioning hole 34 moves to a position opposite to the limiting groove 21 along with the rotating column 30, the positioning ball 31 moves towards the limiting groove 21 and is connected with the limiting groove 21 in a matching manner, so that the rotating column 30 and the fixed column 20 are fixed. In this embodiment, the adjusting assembly selects the mode that the locating ball 31 is connected with the limiting groove 21 in a matching manner to lock the fixed upright post 20 and the rotating upright post 30, when the rotating upright post 30 rotates relative to the fixed upright post 20, the locating ball 31 moves along the length direction of the locating hole 34, when the rotating upright post 30 reaches a preset angle, the locating ball 31 moves towards the position of the limiting groove 21 and is connected with the limiting groove 21 in a matching manner, the rotating upright post 30 cannot continue to rotate, the angle between the fixed upright post 20 and the rotating upright post 30 is fixed, the whole locking position is simple and stable in structure, and the operation is convenient.

Furthermore, the positioning portion further includes an elastic connection member 33, a first end of the elastic connection member 33 is connected to an end portion of the positioning hole 34 far away from the fixing post 20, and a second end of the elastic connection member 33 is connected to the positioning ball 31. In the embodiment, the elastic connecting piece 33 is used for connecting the positioning ball 31 and the bottom surface of the positioning hole 34, and on one hand, the elastic connecting piece 33 drives the positioning ball 33 to move smoothly in the length direction of the positioning hole 34, and on the other hand, the elastic connecting piece 33 plays a role in buffering, so that the impact generated by the positioning ball 31 and the limiting groove 21 in the locking and clamping process is reduced; after the positioning ball 31 is connected with the limiting groove 21 in a matching manner, the elastic connecting piece 33 tightly pushes against the positioning ball 31, so as to ensure the stability of the fixed upright post 20 and the rotating upright post 30 after being fixed, wherein the elastic connecting piece 33 is preferably a spring.

Specifically, in the above embodiment, referring to fig. 4, the middle of the second end of the fixed upright post 20 is provided with the connecting piece 22, and the connecting piece 22 is rotatably connected with the rotating upright post 30; the connecting piece 22 is semicircular in outline, and a plurality of limiting grooves 21 are uniformly formed along the outer peripheral side of the connecting piece 22. In the present embodiment, the middle of the second end of the fixed upright 20 is provided with the connecting member 22, the edge of the end face of the first end of the rotating upright 30 is symmetrically provided with two connecting arms 32, the distance between the two connecting arms 32 is equal to the width of the connecting member 22, the two connecting arms 32 and the connecting member 22 are provided with through holes with the same diameter, and the three through holes are coaxially arranged and connected through the connecting shaft 23, so that the connecting member 22 and the rotating upright 30 are rotatably connected; according to the present common speed measuring scene, when testing the closing speed of fan-shaped door, need keep the tachymeter support to place perpendicularly on waiting to test the speed fan-shaped door, when testing the closing speed of push-and-pull door, need place tachymeter support parallel on waiting to test the speed push-and-pull door, consequently, a plurality of spacing grooves that the tachymeter support of this application was seted up are the angle with the radius of horizontal direction, preferably 0 °, 90 and 180 to satisfy basic test requirement, follow-up can set up more spacing grooves 21 of different angles according to the actual speed scene of testing.

Specifically, in the above embodiment, the base 10 includes the suction cup 11 and the air pressing bar 12, and the air pressing bar 12 is provided on the upper surface of the suction cup 11 and communicates with the suction cup 11 for exhausting the air in the suction cup 11. In this embodiment, sucking disc 11 can be steady adsorb on the surface of waiting to test the speed the object, adopts the sucking disc can avoid waiting to test the speed the object surface to door or lift-cabin door and cause the fish tail or remain the colloid, presses the air in the pole 12 discharge sucking disc 11 of air pressure through the extrusion in order to obtain better adsorption efficiency for the more stable surface that is connected to the area object that tests the speed of tachymeter support.

The utility model provides a velocimeter, see fig. 1, comprising: a first speed measuring device 40 and a second speed measuring device 50; the first speed measuring device 40 comprises the above mentioned speedometer support, a support plate 41 and a sensor 42, the support plate 41 is connected with the second end of the rotating upright 30, the support plate 41 is used for connecting with the sensor 42; the second tachometer means 50 comprises the above mentioned tachometer support and blocking means 51, the blocking means 51 is connected to the second end of the rotating post 30, and the blocking means 51 generates pulses to measure the speed by the sensor 42, wherein the sensor 42 is preferably a U-shaped slot sensor.

The velocimeter provided by the utility model comprises a first velocimeter and a second velocimeter, wherein the speed of an object to be tested is calculated by utilizing the pulse time generated by a sensor 42 connected with one velocimeter support in the first velocimeter and the distance between blocking devices 51 and the blocking device 51 in the second velocimeter, wherein the blocking devices 51 in the first velocimeter pass through the blocking device, and the blocking device is connected with the other velocimeter support.

Specifically, in the above embodiment, referring to fig. 6, the velocimeter further includes a handheld device 60, and the handheld device 60 is in wired connection with the first velocimeter 40, and is used for controlling the velocimeter to be turned on and off, pulse detection, speed calculation, and storing and displaying data information.

Further, referring to fig. 7, the handheld device 60 includes a panel 61, a protective casing 62, a main board 65 and a protector 66, the protective casing 62 includes an upper protective casing 63 and a lower protective casing 64, and the upper protective casing 63 and the lower protective casing 64 are detachably connected; the main board 65 is disposed between the upper protective shell 63 and the lower protective shell 64, the panel 61 is disposed on the outer surface of the protective shell 62, and the protective device 66 is disposed on the outer surface of the handheld device 60 except the panel 61. In the embodiment, the main board is provided with a signal shaping module and an MCU (microprogrammed control unit) microprocessor module, the signal shaping module is used for detecting and receiving photoelectric pulse signals of the sensor, the generated signals which can be detected are transmitted to the MCU microprocessor module, the MCU microprocessor module processes signal time and calculates speed, and the MCU microprocessor module has calculation and storage functions and can transmit data to an upper computer in a wireless manner; the protection shell 62 is used for protecting the mainboard from being damaged by the external environment, and the upper protection shell 63 and the lower protection shell 64 are detachably connected to facilitate taking out the mainboard 65; the panel 61 is used for controlling the speedometer to be turned on and off, and storing test data and displaying the test data; protector 66 chooses for use rubber materials for handheld device 60 is waterproof, antiskid and anti falling, makes things convenient for the tester to hand.

Further, a charging port 67 is provided at one end of the protective housing 62. In this embodiment, the tester can charge the handheld device 60 at any time by using the charging port 67, and is not bound by a use scene, so that the operation is more convenient.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A tachymeter support, comprising:

the base (10) is connected with the surface of an object to be tested;

a fixed upright post (20), wherein a first end of the fixed upright post (20) is connected with the base (10);

the first end of the rotating upright post (30) is rotatably connected with the second end of the fixed upright post (20);

the adjusting assembly is connected with the fixed upright post (20) and the rotating upright post (30) respectively and used for enabling the rotating upright post (30) and the fixed upright post (20) to be kept fixed when the rotating upright post (30) rotates to a preset angle relative to the fixed upright post (20).

2. The velocimeter support according to claim 1, wherein the adjusting component comprises a limiting groove (21), a positioning hole (34) and a positioning part, and the second end of the fixed upright post (20) is provided with a plurality of limiting grooves (21); the first end part of the rotating upright post (30) is provided with the positioning hole (34) along the length direction; one end of the positioning part is connected with the positioning hole (34), and the other end of the positioning part moves along the length direction of the positioning hole (34) and can be matched and connected with the limiting groove (21).

3. The velocimeter support according to claim 2, wherein the positioning portion comprises a positioning ball (31), the positioning ball (31) being movably connected with the positioning hole (34); the positioning ball (31) moves along the length direction of the positioning hole (34) along with the rotation of the rotating upright post (30), and when the positioning ball moves to a position opposite to the limiting groove (21) along with the rotating upright post (30) in the positioning hole (34), the positioning ball (31) moves towards the limiting groove (21) and is connected with the limiting groove (21) in a matched mode, so that the rotating upright post (30) and the fixed upright post (20) are kept fixed.

4. The tachometer support according to claim 3, wherein the positioning portion further comprises an elastic connector (33), a first end of the elastic connector (33) is connected with an end of the positioning hole (34) away from the fixing post (20), and a second end of the elastic connector (33) is connected with the positioning ball (31).

5. The velocimeter support according to claim 2, wherein a connecting piece (22) is arranged in the middle of the second end of the fixed upright (20), and the connecting piece (22) is rotatably connected with the rotating upright (30); the profile of the connecting piece (22) is in a semicircular arc shape, and a plurality of limiting grooves (21) are uniformly formed along the peripheral side of the connecting piece (22).

6. The velocimeter support according to claim 1, wherein the base (10) comprises a suction cup (11) and a pneumatic rod (12), the pneumatic rod (12) is arranged on the upper surface of the suction cup (11) and is communicated with the suction cup (11) for exhausting air in the suction cup (11).

7. A velocimeter, comprising:

-a first velocimeter device (40) comprising a velocimeter support according to any one of claims 1 to 6, a support plate (41) and a sensor (42), the support plate (41) being connected to the second end of the rotating column (30), the support plate (41) being adapted to be connected to the sensor (42);

second velocimeter device (50) comprising a velocimeter support according to any one of claims 1 to 6 and a blocking device (51), the blocking device (51) being connected to the second end of the rotating upright (30), the blocking device (51) generating pulses for measuring the velocity via the sensor (42).

8. The velocimeter according to claim 7, further comprising a handheld device (60), wherein the handheld device (60) is in wired connection with the first velocimeter (40) for controlling the velocimeter to be turned on and off, pulse detection, speed calculation, and storing and displaying data information.

9. Velocimeter according to claim 8, wherein the handheld device (60) comprises a panel (61), a protective housing (62), a main board (65) and a protective means (66), the protective housing (62) comprising an upper protective shell (63) and a lower protective shell (64), the upper protective shell (63) and the lower protective shell (64) being detachably connected; establish mainboard (65) go up protective housing (63) with between lower protective housing (64), panel (61) are established on protection casing (62) surface, protector (66) cover is established handheld device (60) except that other surfaces of panel (61).

10. Velocimeter according to claim 9, wherein a charging port (67) is further provided at one end of the protective housing (62).