CN219344433U

CN219344433U - Civil air defense door hand wheel

Info

Publication number: CN219344433U
Application number: CN202320042584.3U
Authority: CN
Inventors: 刘巨龙
Original assignee: Beijing Huayu Defense Equipment Engineering Co ltd
Current assignee: Beijing Huayu Defense Equipment Engineering Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-07-14
Anticipated expiration: 2033-01-06

Abstract

The utility model discloses a hand wheel of a civil air defense door, which relates to the technical field of the civil air defense door and aims to solve the problem that when the hand wheel is provided with only one group of connecting pieces and adjusting pieces, and the adjusting pieces are rotated to be right above, people with low height cannot conveniently apply acting force to the adjusting pieces to enable the hand wheel to rotate, and the hand wheel comprises a shaft body, connecting rods and a ring body, wherein the shaft body is positioned at the axis of the ring body, a plurality of connecting rods which are arranged in an annular array are fixedly arranged between the shaft body and the ring body, and the number of the connecting rods is 6-8; one end of the connecting rod, which is far away from the shaft body, is positioned outside the ring body, and a slot is formed in each connecting rod. According to the utility model, the plurality of extension rods distributed in the annular array are arranged on the peripheral side of the ring body, and when the whole hand wheel structure is rotated by the extension rods, one of the extension rods is always positioned below the whole hand wheel structure, so that the extension rods are beneficial to people with low height to use.

Description

Civil air defense door hand wheel

Technical Field

The utility model relates to the field of civil air defense doors, in particular to a hand wheel of a civil air defense door.

Background

The civil air defense door is a door at the entrance and the exit of civil protection engineering, has more vivid classification, and comprises a common single-leaf and double-leaf protection airtight door and airtight door, a movable threshold single-leaf and double-leaf protection airtight door, airtight door and other various civil air defense devices. A hand wheel is generally installed on the civil air defense door to realize the opening or closing of the civil air defense door, and the civil air defense door hand wheel is generally composed of a ring body, a connecting rod for connecting the ring body and a shaft body.

The utility model discloses a civil air defense door hand wheel (publication number: CN 213869434U), which comprises a ring body, connecting rods and a shaft body, wherein three groups of connecting rods are fixed on the inner side wall of the ring body at equal intervals, the three groups of connecting rods are connected with the shaft body, three groups of first anti-skid sleeves are fixed on the ring body, one group of connecting rods are fixed with connecting pieces, the connecting pieces are connected with an adjusting piece, the connecting pieces comprise a sleeve, a locking bolt and a limiting block, screw holes matched with the locking bolt are formed in the side wall of the sleeve, a clamping block and a limiting block are integrally formed in one side of the sleeve, which is far away from the locking bolt, a clamping groove matched with the ring body is formed in the clamping block, a slot matched with the connecting rod is formed in the limiting block, and screw holes matched with the connecting bolt are formed in the side wall of the limiting block; the labor is saved, and the opening or closing of the civil air defense door is facilitated.

In the process of realizing the utility model, the inventor finds that at least the following problems exist in the technology, only one group of connecting pieces and adjusting pieces are arranged on the hand wheel, and when the adjusting pieces rotate to the right above, people with low height cannot conveniently apply acting force to the adjusting pieces to enable the hand wheel to rotate. Therefore, a civil air defense door hand wheel is now proposed.

Disclosure of Invention

In order to solve the problem that when the adjusting piece rotates to the right above, people with low height cannot conveniently apply acting force to the adjusting piece to enable the hand wheel to rotate, the utility model provides the civil air defense door hand wheel.

The utility model provides a civil air defense door hand wheel, which adopts the following technical scheme:

the civil air defense door hand wheel comprises a shaft body, connecting rods and a ring body, wherein the shaft body is positioned at the axis of the ring body, a plurality of connecting rods which are arranged in an annular array are fixedly arranged between the shaft body and the ring body, and the number of the connecting rods is 6-8;

the connecting rod is located the outside of ring body from the one end of axis body, every the slot has all been seted up to the inside of connecting rod, the inside sliding connection of slot has the spliced pole, demountable installation has the extension rod in one side of spliced pole, the one end threaded connection of axis body is kept away from to the connecting rod has the locating lever, the locating hole has all been seted up on the surface of extension rod and spliced pole.

Through adopting above-mentioned technical scheme, through the inside from the slot with the inside extension rod of every connecting rod, rotate the locating lever for the one end of locating lever is pegged graft in the locating hole on spliced pole surface inside, realizes the fixed to extension rod position, and a plurality of extension rods are annular array and distribute in the week side of ring body this moment, when rotating whole hand wheel structure through the extension rod, have one of them extension rod to be located the below position of whole hand wheel structure all the time, thereby are favorable to the personnel of lower height to use.

Optionally, the spacing groove has all been seted up to the both sides that are located the slot inside the connecting rod, the both sides of spliced pole are all fixedly connected with slider, slider sliding connection is in the inside of spacing groove.

Through adopting above-mentioned technical scheme, the setting of spacing groove and slider for the spliced pole can only remove along the length direction of connecting rod.

Optionally, a screw hole is formed in one side of the connecting column, a screw is fixedly connected to one end of the extension rod, and the screw is in threaded connection with the inside of the screw hole.

Through adopting above-mentioned technical scheme, the dismouting between extension rod and the spliced pole has been made things convenient for in the setting of this kind of structure to easily change the extension rod.

Optionally, one end of the positioning rod, which is located outside the slot, is fixedly connected with a knob.

Through adopting above-mentioned technical scheme, the setting of knob is convenient rotates the locating lever.

Optionally, a rubber anti-skid sleeve is arranged on the outer surface of one end of the extension rod, which is far away from the connecting rod.

Through adopting above-mentioned technical scheme, the setting of rubber antiskid cover has increased the frictional force between palm and the extension rod, is convenient for hold the extension rod.

Optionally, a fluorescent strip is adhered to the surface of each connecting rod.

In summary, the utility model has the following beneficial effects:

according to the utility model, the plurality of extension rods distributed in the annular array are arranged on the peripheral side of the ring body, and when the whole hand wheel structure is rotated by the extension rods, one of the extension rods is always positioned below the whole hand wheel structure, so that the extension rods are beneficial to people with lower height to use, and can be conveniently contracted in the connecting rod, so that the whole device is smaller in volume and easy to carry and transport.

Drawings

Fig. 1 is a schematic diagram of the front view structure of the present utility model.

Fig. 2 is a schematic cross-sectional front view of the extension rod and connecting rod of the present utility model.

Fig. 3 is a schematic perspective view of the connecting column of the present utility model.

Fig. 4 is a schematic side sectional view of the extension rod and connecting rod of the present utility model.

Reference numerals illustrate:

1. a shaft body; 2. a connecting rod; 3. a ring body; 4. a slot; 5. a connecting column; 6. an extension rod; 7. a positioning rod; 8. positioning holes; 9. a limit groove; 10. a slide block; 11. a screw hole; 12. a screw; 13. a knob; 14. a rubber anti-skid sleeve; 15. a fluorescent strip.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

Referring to fig. 1, a civil air defense door hand wheel comprises a shaft body 1, connecting rods 2 and a ring body 3, wherein the shaft body 1 is positioned at the axle center of the ring body 3, a plurality of connecting rods 2 which are arranged in an annular array are fixedly arranged between the shaft body 1 and the ring body 3, and the number of the connecting rods 2 is 6-8. The fluorescent strips 15 are adhered to the surface of each connecting rod 2, and the fluorescent strips 15 improve the display effect of the whole hand wheel structure under the dark condition and are easy to find.

Referring to fig. 2-4, one end of each connecting rod 2 away from the shaft body 1 is located outside the ring body 3, a slot 4 is formed in each connecting rod 2, and a connecting column 5 is slidably connected in each slot 4. The spacing groove 9 has all been seted up to the inside both sides that are located slot 4 of connecting rod 2, and spacing groove 9 sets up along the length direction of connecting rod 2, and the both ends of spacing groove 9 are enclosed construction, and the equal fixedly connected with slider 10 in both sides of spliced pole 5, slider 10 sliding connection in the inside of spacing groove 9, and spacing groove 9 and slider 10's setting for spliced pole 5 can only remove along the length direction of connecting rod 2.

Referring to fig. 2-4, the extension rod 6 is detachably mounted on one side of the connection column 5, the screw hole 11 is formed in one side of the connection column 5, one end of the extension rod 6 is fixedly connected with the screw rod 12, the screw rod 12 is in threaded connection with the inside of the screw hole 11, and the extension rod 6 is convenient to disassemble and assemble with the connection column 5 due to the arrangement of the structure, so that the extension rod 6 is easy to replace. The rubber anti-skidding sleeve 14 is arranged on the outer surface of one end, far away from the connecting rod 2, of the extension rod 6, and due to the arrangement of the rubber anti-skidding sleeve 14, the friction force between the palm and the extension rod 6 is increased, so that the extension rod 6 can be conveniently held.

Referring to fig. 1 and 3, one end of the connecting rod 2, which is far away from the shaft body 1, is in threaded connection with a positioning rod 7, positioning holes 8 are formed in the surfaces of the extension rod 6 and the connecting column 5, when the extension rod 6 is pulled out from the inside of the slot 4, the positioning rod 7 is rotated, so that one end of the positioning rod 7 is inserted into the positioning holes 8 on the surface of the connecting column 5, and thus the extension rod 6 is stably located outside the slot 4, and simultaneously, when the extension rod 6 is pushed back into the slot 4, the positioning rod 7 is rotated, so that one end of the positioning rod 7 is inserted into the positioning holes 8 on the surface of the extension rod 6, and stable storage of the extension rod 6 is realized. One end of the positioning rod 7 outside the slot 4 is fixedly connected with a knob 13, and the knob 13 is arranged to facilitate the rotation of the positioning rod 7.

The implementation principle of the utility model is as follows: when using, with the inside extension rod 6 of every connecting rod 2 from the inside of slot 4, rotate locating lever 7 for the inside locating hole 8 of spliced pole 5 surface is pegged graft to the one end of locating lever 7 realizes the fixed to extension rod 6 position, and a plurality of extension rods 6 are the annular array and distribute in the week side of ring body 3 this moment, when rotating whole hand wheel structure through extension rod 6, have one of them extension rod 6 to be located the below position of whole hand wheel structure all the time, thereby are favorable to the personnel of lower height to use.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a people's air defense door hand wheel, includes axis body (1), connecting rod (2) and ring body (3), its characterized in that: the shaft body (1) is positioned at the axle center of the ring body (3), a plurality of connecting rods (2) which are arranged in an annular array are fixedly arranged between the shaft body (1) and the ring body (3), and the number of the connecting rods (2) is 6-8;

one end that body (1) was kept away from to connecting rod (2) is located the outside of ring body (3), every slot (4) have all been seted up to the inside of connecting rod (2), the inside sliding connection of slot (4) has spliced pole (5), one side demountable installation of spliced pole (5) has extension rod (6), one end threaded connection that body (1) was kept away from to connecting rod (2) has locating lever (7), locating hole (8) have all been seted up on the surface of extension rod (6) and spliced pole (5).

2. The civil air defense door hand wheel according to claim 1, wherein: limiting grooves (9) are formed in two sides, located in the slot (4), of the connecting rod (2), sliding blocks (10) are fixedly connected to two sides of the connecting column (5), and the sliding blocks (10) are slidably connected to the inside of the limiting grooves (9).

3. The civil air defense door hand wheel according to claim 1, wherein: screw (11) have been seted up to one side of spliced pole (5), the one end fixedly connected with screw rod (12) of extension rod (6), screw rod (12) threaded connection is in the inside of screw (11).

4. The civil air defense door hand wheel according to claim 1, wherein: one end of the positioning rod (7) positioned outside the slot (4) is fixedly connected with a knob (13).

5. The civil air defense door hand wheel according to claim 1, wherein: the outer surface of one end of the extension rod (6) far away from the connecting rod (2) is provided with a rubber anti-skid sleeve (14).

6. The civil air defense door hand wheel according to claim 1, wherein: a fluorescent strip (15) is stuck on the surface of each connecting rod (2).