CN209838011U - Safety locking shaft - Google Patents

Abstract

The utility model discloses a safe locking shaft, which comprises a connecting shaft, a locking head and an auxiliary locking head, wherein one end of the connecting shaft is connected with a handle, the other end of the connecting shaft is fixedly sleeved with a positioning sleeve, one side of the positioning sleeve is connected with the locking head through a T-shaped base, the locking head is in an arc shape, one end of the locking head is provided with a thread groove, the inside of the thread groove is sleeved with the auxiliary locking head through the thread sleeve, one end of the auxiliary locking head is provided with a chute, the inner switching sleeve of the chute is provided with a circular plate, one end of the circular plate is welded with a tension spring, one end of the tension spring is fixedly embedded in the thread groove, the auxiliary locking head is movably sleeved in the locking head, the extension length of the auxiliary locking head can be flexibly adjusted according to the actual locking hole size, the installation flexibility is improved, the locking smoothness is ensured, the installation safety is higher.

Description

Safety locking shaft

Technical Field

The utility model belongs to the technical field of the locking axle, specifically be a safe type locking axle.

Background

People's air defense is also called civil defense, the civil defense is an international common word, is a government mobilization and organization mass, takes air defense, disaster resistance and relief measures, implements rescue actions, and prevents and lightens activities of disaster hazards, the people's air defense door belongs to civil defense protection equipment, as the name suggests, the people's air defense door is a door called the people's air defense door of an entrance and an exit of the civil defense protection engineering, and the locking shaft is one of the components of the people's air defense door and plays an important role, but the existing locking shaft has some defects in the using process.

The locking head of the locking shaft is inserted into the locking hole to realize locking, but when the caliber of the locking hole is smaller and longer than that of the lock head, the locking difficulty can be caused if the length of the locking head cannot be adjusted, even the locking hole is damaged, the use of the civil air defense door is influenced, and therefore the locking requirement cannot be well met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the caliber of a locking hole is smaller and longer than that of a lock head, the locking is difficult due to the fact that the length of the locking head cannot be adjusted, even the locking hole is damaged, and the use of a civil air defense door is affected, a safe locking shaft is provided.

The utility model adopts the technical scheme as follows:

the safe locking shaft comprises a connecting shaft, a locking head and an auxiliary locking head, wherein one end of the connecting shaft is connected with a handle, a positioning sleeve is fixedly sleeved at the other end of the connecting shaft, one side of the positioning sleeve is connected with the locking head through a T-shaped base, the locking head is arc-shaped, a thread groove is formed in one end of the locking head, the auxiliary locking head is sleeved inside the thread groove through the thread sleeve, a sliding groove is formed in one end of the auxiliary locking head, a circular plate is sleeved in an inner switching sleeve of the sliding groove, an extension spring is welded at one end of the circular plate, one end of the extension spring is fixedly embedded in the thread groove, and the extension spring is used for enhancing the connection strength between the auxiliary locking head and the locking head.

The outer surface wall of the locking head is fixedly sleeved with a synchronous disc, the synchronous disc is fixedly connected with the T-shaped base through a long bolt, positioning holes matched with the long bolt are formed in the synchronous disc and the T-shaped base respectively, and the positioning holes are used for fixing the long bolt.

The outer wall of the auxiliary lock head is wrapped and adhered with a rubber ring, and the rubber ring is used for reducing the width of a gap between the auxiliary lock head and the thread groove.

The connecting shaft and the auxiliary lock head are vertically distributed, and the diameter of the connecting shaft is larger than that of the auxiliary lock head.

One side of the T-shaped base is welded with a locking head, and one end of the locking head is movably sleeved with an auxiliary locking head.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses well supplementary tapered end movable sleeve can improve the installation flexibility according to the nimble extension length of adjusting supplementary tapered end of the dead lock hole size of reality in the dead lock head, guarantees the smooth and easy nature of shutting, avoids the dead lock head to damage, and the installation security is higher.

2. The utility model provides a locking head passes through T type base and position sleeve switching, can change the orientation position of locking head according to the installation demand, and the position is adjusted conveniently and fast, avoids reinstallating, improves and uses the flexibility.

Drawings

FIG. 1 is a side sectional view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

fig. 3 is a front view of the structure of the middle synchronization disc of the present invention.

The labels in the figure are: 1. a connecting shaft; 2. a positioning sleeve; 3. positioning holes; 4. a synchronization disc; 5. a locking head; 6. an extension spring; 7. a threaded sleeve; 8. a rubber ring; 9. an auxiliary lock head; 10. a thread groove; 11. a T-shaped base; 12. a chute; 13. a circular plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a safety locking shaft comprises a connecting shaft 1, a locking head 5 and an auxiliary locking head 9, wherein one end of the connecting shaft 1 is connected with a handle, the other end of the connecting shaft 1 is fixedly sleeved with a positioning sleeve 2, one side of the positioning sleeve 2 is connected with the locking head 5 through a T-shaped base 11, the locking head 5 is arc-shaped, one end of the locking head 5 is provided with a thread groove 10, the auxiliary locking head 9 is sleeved inside the thread groove 10 through a thread sleeve 7, the auxiliary locking head 9 is rotated to drive the thread sleeve 7 to rotate, the auxiliary locking head 9 is driven to extend and retract under the threaded engagement of the thread sleeve 7 and the thread groove 10, so that the length of the auxiliary locking head 9 can be changed according to actual use requirements, the locking hole can be flexibly adjusted according to the size, the use flexibility is strong, one end of the auxiliary locking head 9 is provided with, the inside adapter sleeve of spout 12 has circular plate 13, extension spring 6 has been welded to the one end of circular plate 13, extension spring 6's one end is fixed to be inlayed in thread groove 10, and extension spring 6 is used for strengthening the joint strength between auxiliary tapered end 9 and lock head 5, and wherein circular plate 13 is connected with the adapter of spout 12, can produce a pulling force to auxiliary tapered end 9 when auxiliary tapered end 9 stretches out to increase the effort of thread engagement between thread bush 7 and the thread groove 10, thereby avoid the problem that self is rotatory to auxiliary tapered end 9 appears in the use, guarantee auxiliary tapered end 9's stability in use.

Furthermore, the outer surface wall of the locking head 5 is fixedly sleeved with a synchronous disc 4, the synchronous disc 4 is fixedly connected with the T-shaped base 11 through a long bolt, positioning holes 3 matched with the long bolt are respectively formed in the synchronous disc 4 and the T-shaped base 11, the positioning holes 3 are used for fixing the long bolt, the position of the locking head 5 can be changed according to actual requirements, and the position is convenient and quick to change.

Further, the outer wall of the auxiliary lock head 9 is wrapped by a rubber ring 8, the rubber ring 8 is used for reducing the width of a gap between the auxiliary lock head 9 and the thread groove 10, and dust in the outside air is prevented from entering the gap between the auxiliary lock head 9 and the thread groove 10 in the long-time use process, so that the service life of the equipment is prolonged.

Furthermore, the connecting shaft 1 and the auxiliary locking head 9 are vertically distributed, the diameter of the connecting shaft 1 is larger than that of the auxiliary locking head 9, and the diameter of the connecting shaft 1 is equal to that of the locking head 5.

Furthermore, a locking head 5 is welded on one side of the T-shaped base 11, an auxiliary locking head 9 is movably sleeved at one end of the locking head 5, and the T-shaped base 11 is used for increasing the connection strength between the positioning sleeve 2 and the locking head 5 and avoiding separation of the positioning sleeve and the locking head.

The working principle is as follows: when the locking shaft is used, the connecting shaft is connected with the handle, then the locking head 5 is rotated according to actual use requirements, the locking head 5 is adjusted to a proper position, the locking head 5 and the positioning sleeve 2 are fixed through the long bolt, in the actual use process, the length of the auxiliary locking head 9 can be changed, flexible adjustment can be conducted according to the size of the locking hole, the use flexibility is strong, the installation flexibility is improved, the locking smoothness is guaranteed, the locking head is prevented from being damaged, and the installation safety is high.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. The utility model provides a safe type shutting axle, includes connecting axle (1), shutting head (5) and supplementary tapered end (9), its characterized in that: the one end and the handle of connecting axle (1) are connected, and the fixed cover in the other end of connecting axle (1) has position sleeve (2), one side of position sleeve (2) is connected with locking head (5) through T type base (11), locking head (5) are the arc shape, and the one end of locking head (5) has seted up thread groove (10), the inside of thread groove (10) has supplementary tapered end (9) through thread bush (7) cover, spout (12) have been seted up to the one end of supplementary tapered end (9), the inside adapter sleeve of spout (12) has circular slab (13), the one end welding of circular slab (13) has extension spring (6), the one end of extension spring (6) is fixed to be inlayed in thread groove (10), and extension spring (6) are used for strengthening the joint strength between supplementary tapered end (9) and locking head (5).

2. The safety latch shaft of claim 1, wherein: the outer surface wall of the locking head (5) is fixedly sleeved with a synchronous disc (4), the synchronous disc (4) is fixedly connected with a T-shaped base (11) through a long bolt, positioning holes (3) matched with the long bolt are respectively formed in the synchronous disc (4) and the T-shaped base (11), and the positioning holes (3) are used for fixing the long bolt.

3. The safety latch shaft of claim 1, wherein: the outer wall of the auxiliary lock head (9) is wrapped and adhered with a rubber ring (8), and the rubber ring (8) is used for reducing the width of a gap between the auxiliary lock head (9) and the thread groove (10).

4. The safety latch shaft of claim 1, wherein: the connecting shaft (1) and the auxiliary lock head (9) are vertically distributed, and the diameter of the connecting shaft (1) is larger than that of the auxiliary lock head (9).

5. The safety latch shaft of claim 1, wherein: one side of the T-shaped base (11) is welded with a locking head (5), and one end of the locking head (5) is movably sleeved with an auxiliary lock head (9).